/* 
MIT LICENSE
Copyright (c) 2020-present Alibaba Cloud Design
Copied from antd/style/color/tinyColor.less
Copyright (c) 2015-present Ant UED, https://xtech.antfin.com/

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */

/* stylelint-disable declaration-bang-space-before,no-duplicate-selectors,string-no-newline */
.tinyColorMixin() {
@functions: ~`(function() {
// TinyColor v1.4.1
// https://github.com/bgrins/TinyColor
// 2016-07-07, Brian Grinstead, MIT License
var trimLeft = /^\s+/,
    trimRight = /\s+$/,
    tinyCounter = 0,
    mathRound = Math.round,
    mathMin = Math.min,
    mathMax = Math.max,
    mathRandom = Math.random;

function tinycolor (color, opts) {

    color = (color) ? color : '';
    opts = opts || { };

    // If input is already a tinycolor, return itself
    if (color instanceof tinycolor) {
       return color;
    }
    // If we are called as a function, call using new instead
    if (!(this instanceof tinycolor)) {
        return new tinycolor(color, opts);
    }

    var rgb = inputToRGB(color);
    this._originalInput = color,
    this._r = rgb.r,
    this._g = rgb.g,
    this._b = rgb.b,
    this._a = rgb.a,
    this._roundA = mathRound(100*this._a) / 100,
    this._format = opts.format || rgb.format;
    this._gradientType = opts.gradientType;

    // Don't let the range of [0,255] come back in [0,1].
    // Potentially lose a little bit of precision here, but will fix issues where
    // .5 gets interpreted as half of the total, instead of half of 1
    // If it was supposed to be 128, this was already taken care of by inputToRgb
    if (this._r < 1) { this._r = mathRound(this._r); }
    if (this._g < 1) { this._g = mathRound(this._g); }
    if (this._b < 1) { this._b = mathRound(this._b); }

    this._ok = rgb.ok;
    this._tc_id = tinyCounter++;
}

tinycolor.prototype = {
    isDark: function() {
        return this.getBrightness() < 128;
    },
    isLight: function() {
        return !this.isDark();
    },
    isValid: function() {
        return this._ok;
    },
    getOriginalInput: function() {
      return this._originalInput;
    },
    getFormat: function() {
        return this._format;
    },
    getAlpha: function() {
        return this._a;
    },
    getBrightness: function() {
        //http://www.w3.org/TR/AERT#color-contrast
        var rgb = this.toRgb();
        return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000;
    },
    getLuminance: function() {
        //http://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef
        var rgb = this.toRgb();
        var RsRGB, GsRGB, BsRGB, R, G, B;
        RsRGB = rgb.r/255;
        GsRGB = rgb.g/255;
        BsRGB = rgb.b/255;

        if (RsRGB <= 0.03928) {R = RsRGB / 12.92;} else {R = Math.pow(((RsRGB + 0.055) / 1.055), 2.4);}
        if (GsRGB <= 0.03928) {G = GsRGB / 12.92;} else {G = Math.pow(((GsRGB + 0.055) / 1.055), 2.4);}
        if (BsRGB <= 0.03928) {B = BsRGB / 12.92;} else {B = Math.pow(((BsRGB + 0.055) / 1.055), 2.4);}
        return (0.2126 * R) + (0.7152 * G) + (0.0722 * B);
    },
    setAlpha: function(value) {
        this._a = boundAlpha(value);
        this._roundA = mathRound(100*this._a) / 100;
        return this;
    },
    toHsv: function() {
        var hsv = rgbToHsv(this._r, this._g, this._b);
        return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a };
    },
    toHsvString: function() {
        var hsv = rgbToHsv(this._r, this._g, this._b);
        var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
        return (this._a == 1) ?
          "hsv("  + h + ", " + s + "%, " + v + "%)" :
          "hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")";
    },
    toHsl: function() {
        var hsl = rgbToHsl(this._r, this._g, this._b);
        return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a };
    },
    toHslString: function() {
        var hsl = rgbToHsl(this._r, this._g, this._b);
        var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
        return (this._a == 1) ?
          "hsl("  + h + ", " + s + "%, " + l + "%)" :
          "hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")";
    },
    toHex: function(allow3Char) {
        return rgbToHex(this._r, this._g, this._b, allow3Char);
    },
    toHexString: function(allow3Char) {
        return '#' + this.toHex(allow3Char);
    },
    toHex8: function(allow4Char) {
        return rgbaToHex(this._r, this._g, this._b, this._a, allow4Char);
    },
    toHex8String: function(allow4Char) {
        return '#' + this.toHex8(allow4Char);
    },
    toRgb: function() {
        return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a };
    },
    toRgbString: function() {
        return (this._a == 1) ?
          "rgb("  + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" :
          "rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")";
    },
    toPercentageRgb: function() {
        return { r: mathRound(bound01(this._r, 255) * 100) + "%", g: mathRound(bound01(this._g, 255) * 100) + "%", b: mathRound(bound01(this._b, 255) * 100) + "%", a: this._a };
    },
    toPercentageRgbString: function() {
        return (this._a == 1) ?
          "rgb("  + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" :
          "rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")";
    },
    toName: function() {
        if (this._a === 0) {
            return "transparent";
        }

        if (this._a < 1) {
            return false;
        }

        return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false;
    },
    toFilter: function(secondColor) {
        var hex8String = '#' + rgbaToArgbHex(this._r, this._g, this._b, this._a);
        var secondHex8String = hex8String;
        var gradientType = this._gradientType ? "GradientType = 1, " : "";

        if (secondColor) {
            var s = tinycolor(secondColor);
            secondHex8String = '#' + rgbaToArgbHex(s._r, s._g, s._b, s._a);
        }

        return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")";
    },
    toString: function(format) {
        var formatSet = !!format;
        format = format || this._format;

        var formattedString = false;
        var hasAlpha = this._a < 1 && this._a >= 0;
        var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "hex4" || format === "hex8" || format === "name");

        if (needsAlphaFormat) {
            // Special case for "transparent", all other non-alpha formats
            // will return rgba when there is transparency.
            if (format === "name" && this._a === 0) {
                return this.toName();
            }
            return this.toRgbString();
        }
        if (format === "rgb") {
            formattedString = this.toRgbString();
        }
        if (format === "prgb") {
            formattedString = this.toPercentageRgbString();
        }
        if (format === "hex" || format === "hex6") {
            formattedString = this.toHexString();
        }
        if (format === "hex3") {
            formattedString = this.toHexString(true);
        }
        if (format === "hex4") {
            formattedString = this.toHex8String(true);
        }
        if (format === "hex8") {
            formattedString = this.toHex8String();
        }
        if (format === "name") {
            formattedString = this.toName();
        }
        if (format === "hsl") {
            formattedString = this.toHslString();
        }
        if (format === "hsv") {
            formattedString = this.toHsvString();
        }

        return formattedString || this.toHexString();
    },
    clone: function() {
        return tinycolor(this.toString());
    },

    _applyModification: function(fn, args) {
        var color = fn.apply(null, [this].concat([].slice.call(args)));
        this._r = color._r;
        this._g = color._g;
        this._b = color._b;
        this.setAlpha(color._a);
        return this;
    },
    lighten: function() {
        return this._applyModification(lighten, arguments);
    },
    brighten: function() {
        return this._applyModification(brighten, arguments);
    },
    darken: function() {
        return this._applyModification(darken, arguments);
    },
    desaturate: function() {
        return this._applyModification(desaturate, arguments);
    },
    saturate: function() {
        return this._applyModification(saturate, arguments);
    },
    greyscale: function() {
        return this._applyModification(greyscale, arguments);
    },
    spin: function() {
        return this._applyModification(spin, arguments);
    },

    _applyCombination: function(fn, args) {
        return fn.apply(null, [this].concat([].slice.call(args)));
    },
    analogous: function() {
        return this._applyCombination(analogous, arguments);
    },
    complement: function() {
        return this._applyCombination(complement, arguments);
    },
    monochromatic: function() {
        return this._applyCombination(monochromatic, arguments);
    },
    splitcomplement: function() {
        return this._applyCombination(splitcomplement, arguments);
    },
    triad: function() {
        return this._applyCombination(triad, arguments);
    },
    tetrad: function() {
        return this._applyCombination(tetrad, arguments);
    }
};

// If input is an object, force 1 into "1.0" to handle ratios properly
// String input requires "1.0" as input, so 1 will be treated as 1
tinycolor.fromRatio = function(color, opts) {
    if (typeof color == "object") {
        var newColor = {};
        for (var i in color) {
            if (color.hasOwnProperty(i)) {
                if (i === "a") {
                    newColor[i] = color[i];
                }
                else {
                    newColor[i] = convertToPercentage(color[i]);
                }
            }
        }
        color = newColor;
    }

    return tinycolor(color, opts);
};

// Given a string or object, convert that input to RGB
// Possible string inputs:
//
//     "red"
//     "#f00" or "f00"
//     "#ff0000" or "ff0000"
//     "#ff000000" or "ff000000"
//     "rgb 255 0 0" or "rgb (255, 0, 0)"
//     "rgb 1.0 0 0" or "rgb (1, 0, 0)"
//     "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
//     "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
//     "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
//     "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
//     "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
//
function inputToRGB(color) {

    var rgb = { r: 0, g: 0, b: 0 };
    var a = 1;
    var s = null;
    var v = null;
    var l = null;
    var ok = false;
    var format = false;

    if (typeof color == "string") {
        color = stringInputToObject(color);
    }

    if (typeof color == "object") {
        if (isValidCSSUnit(color.r) && isValidCSSUnit(color.g) && isValidCSSUnit(color.b)) {
            rgb = rgbToRgb(color.r, color.g, color.b);
            ok = true;
            format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";
        }
        else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.v)) {
            s = convertToPercentage(color.s);
            v = convertToPercentage(color.v);
            rgb = hsvToRgb(color.h, s, v);
            ok = true;
            format = "hsv";
        }
        else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.l)) {
            s = convertToPercentage(color.s);
            l = convertToPercentage(color.l);
            rgb = hslToRgb(color.h, s, l);
            ok = true;
            format = "hsl";
        }

        if (color.hasOwnProperty("a")) {
            a = color.a;
        }
    }

    a = boundAlpha(a);

    return {
        ok: ok,
        format: color.format || format,
        r: mathMin(255, mathMax(rgb.r, 0)),
        g: mathMin(255, mathMax(rgb.g, 0)),
        b: mathMin(255, mathMax(rgb.b, 0)),
        a: a
    };
}

// Conversion Functions
// --------------------

// rgbToHsl, rgbToHsv, hslToRgb, hsvToRgb modified from:
// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>

// rgbToRgb
// Handle bounds / percentage checking to conform to CSS color spec
// <http://www.w3.org/TR/css3-color/>
// *Assumes:* r, g, b in [0, 255] or [0, 1]
// *Returns:* { r, g, b } in [0, 255]
function rgbToRgb(r, g, b){
    return {
        r: bound01(r, 255) * 255,
        g: bound01(g, 255) * 255,
        b: bound01(b, 255) * 255
    };
}

// rgbToHsl
// Converts an RGB color value to HSL.
// *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
// *Returns:* { h, s, l } in [0,1]
function rgbToHsl(r, g, b) {

    r = bound01(r, 255);
    g = bound01(g, 255);
    b = bound01(b, 255);

    var max = mathMax(r, g, b), min = mathMin(r, g, b);
    var h, s, l = (max + min) / 2;

    if(max == min) {
        h = s = 0; // achromatic
    }
    else {
        var d = max - min;
        s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
        switch(max) {
            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
            case g: h = (b - r) / d + 2; break;
            case b: h = (r - g) / d + 4; break;
        }

        h /= 6;
    }

    return { h: h, s: s, l: l };
}

// hslToRgb
// Converts an HSL color value to RGB.
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
// *Returns:* { r, g, b } in the set [0, 255]
function hslToRgb(h, s, l) {
    var r, g, b;

    h = bound01(h, 360);
    s = bound01(s, 100);
    l = bound01(l, 100);

    function hue2rgb(p, q, t) {
        if(t < 0) t += 1;
        if(t > 1) t -= 1;
        if(t < 1/6) return p + (q - p) * 6 * t;
        if(t < 1/2) return q;
        if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
        return p;
    }

    if(s === 0) {
        r = g = b = l; // achromatic
    }
    else {
        var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
        var p = 2 * l - q;
        r = hue2rgb(p, q, h + 1/3);
        g = hue2rgb(p, q, h);
        b = hue2rgb(p, q, h - 1/3);
    }

    return { r: r * 255, g: g * 255, b: b * 255 };
}

// rgbToHsv
// Converts an RGB color value to HSV
// *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
// *Returns:* { h, s, v } in [0,1]
function rgbToHsv(r, g, b) {

    r = bound01(r, 255);
    g = bound01(g, 255);
    b = bound01(b, 255);

    var max = mathMax(r, g, b), min = mathMin(r, g, b);
    var h, s, v = max;

    var d = max - min;
    s = max === 0 ? 0 : d / max;

    if(max == min) {
        h = 0; // achromatic
    }
    else {
        switch(max) {
            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
            case g: h = (b - r) / d + 2; break;
            case b: h = (r - g) / d + 4; break;
        }
        h /= 6;
    }
    return { h: h, s: s, v: v };
}

// hsvToRgb
// Converts an HSV color value to RGB.
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
// *Returns:* { r, g, b } in the set [0, 255]
 function hsvToRgb(h, s, v) {

    h = bound01(h, 360) * 6;
    s = bound01(s, 100);
    v = bound01(v, 100);

    var i = Math.floor(h),
        f = h - i,
        p = v * (1 - s),
        q = v * (1 - f * s),
        t = v * (1 - (1 - f) * s),
        mod = i % 6,
        r = [v, q, p, p, t, v][mod],
        g = [t, v, v, q, p, p][mod],
        b = [p, p, t, v, v, q][mod];

    return { r: r * 255, g: g * 255, b: b * 255 };
}

// rgbToHex
// Converts an RGB color to hex
// Assumes r, g, and b are contained in the set [0, 255]
// Returns a 3 or 6 character hex
function rgbToHex(r, g, b, allow3Char) {

    var hex = [
        pad2(mathRound(r).toString(16)),
        pad2(mathRound(g).toString(16)),
        pad2(mathRound(b).toString(16))
    ];

    // Return a 3 character hex if possible
    if (allow3Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) {
        return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0);
    }

    return hex.join("");
}

// rgbaToHex
// Converts an RGBA color plus alpha transparency to hex
// Assumes r, g, b are contained in the set [0, 255] and
// a in [0, 1]. Returns a 4 or 8 character rgba hex
function rgbaToHex(r, g, b, a, allow4Char) {

    var hex = [
        pad2(mathRound(r).toString(16)),
        pad2(mathRound(g).toString(16)),
        pad2(mathRound(b).toString(16)),
        pad2(convertDecimalToHex(a))
    ];

    // Return a 4 character hex if possible
    if (allow4Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1) && hex[3].charAt(0) == hex[3].charAt(1)) {
        return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0) + hex[3].charAt(0);
    }

    return hex.join("");
}

// rgbaToArgbHex
// Converts an RGBA color to an ARGB Hex8 string
// Rarely used, but required for "toFilter()"
function rgbaToArgbHex(r, g, b, a) {

    var hex = [
        pad2(convertDecimalToHex(a)),
        pad2(mathRound(r).toString(16)),
        pad2(mathRound(g).toString(16)),
        pad2(mathRound(b).toString(16))
    ];

    return hex.join("");
}

// equals
// Can be called with any tinycolor input
tinycolor.equals = function (color1, color2) {
    if (!color1 || !color2) { return false; }
    return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString();
};

tinycolor.random = function() {
    return tinycolor.fromRatio({
        r: mathRandom(),
        g: mathRandom(),
        b: mathRandom()
    });
};

// Modification Functions
// ----------------------
// Thanks to less.js for some of the basics here
// <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>

function desaturate(color, amount) {
    amount = (amount === 0) ? 0 : (amount || 10);
    var hsl = tinycolor(color).toHsl();
    hsl.s -= amount / 100;
    hsl.s = clamp01(hsl.s);
    return tinycolor(hsl);
}

function saturate(color, amount) {
    amount = (amount === 0) ? 0 : (amount || 10);
    var hsl = tinycolor(color).toHsl();
    hsl.s += amount / 100;
    hsl.s = clamp01(hsl.s);
    return tinycolor(hsl);
}

function greyscale(color) {
    return tinycolor(color).desaturate(100);
}

function lighten (color, amount) {
    amount = (amount === 0) ? 0 : (amount || 10);
    var hsl = tinycolor(color).toHsl();
    hsl.l += amount / 100;
    hsl.l = clamp01(hsl.l);
    return tinycolor(hsl);
}

function brighten(color, amount) {
    amount = (amount === 0) ? 0 : (amount || 10);
    var rgb = tinycolor(color).toRgb();
    rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100))));
    rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100))));
    rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100))));
    return tinycolor(rgb);
}

function darken (color, amount) {
    amount = (amount === 0) ? 0 : (amount || 10);
    var hsl = tinycolor(color).toHsl();
    hsl.l -= amount / 100;
    hsl.l = clamp01(hsl.l);
    return tinycolor(hsl);
}

// Spin takes a positive or negative amount within [-360, 360] indicating the change of hue.
// Values outside of this range will be wrapped into this range.
function spin(color, amount) {
    var hsl = tinycolor(color).toHsl();
    var hue = (hsl.h + amount) % 360;
    hsl.h = hue < 0 ? 360 + hue : hue;
    return tinycolor(hsl);
}

// Combination Functions
// ---------------------
// Thanks to jQuery xColor for some of the ideas behind these
// <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>

function complement(color) {
    var hsl = tinycolor(color).toHsl();
    hsl.h = (hsl.h + 180) % 360;
    return tinycolor(hsl);
}

function triad(color) {
    var hsl = tinycolor(color).toHsl();
    var h = hsl.h;
    return [
        tinycolor(color),
        tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }),
        tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l })
    ];
}

function tetrad(color) {
    var hsl = tinycolor(color).toHsl();
    var h = hsl.h;
    return [
        tinycolor(color),
        tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }),
        tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }),
        tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l })
    ];
}

function splitcomplement(color) {
    var hsl = tinycolor(color).toHsl();
    var h = hsl.h;
    return [
        tinycolor(color),
        tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}),
        tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l})
    ];
}

function analogous(color, results, slices) {
    results = results || 6;
    slices = slices || 30;

    var hsl = tinycolor(color).toHsl();
    var part = 360 / slices;
    var ret = [tinycolor(color)];

    for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) {
        hsl.h = (hsl.h + part) % 360;
        ret.push(tinycolor(hsl));
    }
    return ret;
}

function monochromatic(color, results) {
    results = results || 6;
    var hsv = tinycolor(color).toHsv();
    var h = hsv.h, s = hsv.s, v = hsv.v;
    var ret = [];
    var modification = 1 / results;

    while (results--) {
        ret.push(tinycolor({ h: h, s: s, v: v}));
        v = (v + modification) % 1;
    }

    return ret;
}

// Utility Functions
// ---------------------

tinycolor.mix = function(color1, color2, amount) {
    amount = (amount === 0) ? 0 : (amount || 50);

    var rgb1 = tinycolor(color1).toRgb();
    var rgb2 = tinycolor(color2).toRgb();

    var p = amount / 100;

    var rgba = {
        r: ((rgb2.r - rgb1.r) * p) + rgb1.r,
        g: ((rgb2.g - rgb1.g) * p) + rgb1.g,
        b: ((rgb2.b - rgb1.b) * p) + rgb1.b,
        a: ((rgb2.a - rgb1.a) * p) + rgb1.a
    };

    return tinycolor(rgba);
};

// Readability Functions
// ---------------------
// <http://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrast-ratiodef (WCAG Version 2)

// contrast
// Analyze the 2 colors and returns the color contrast defined by (WCAG Version 2)
tinycolor.readability = function(color1, color2) {
    var c1 = tinycolor(color1);
    var c2 = tinycolor(color2);
    return (Math.max(c1.getLuminance(),c2.getLuminance())+0.05) / (Math.min(c1.getLuminance(),c2.getLuminance())+0.05);
};

// isReadable
// Ensure that foreground and background color combinations meet WCAG2 guidelines.
// The third argument is an optional Object.
//      the 'level' property states 'AA' or 'AAA' - if missing or invalid, it defaults to 'AA';
//      the 'size' property states 'large' or 'small' - if missing or invalid, it defaults to 'small'.
// If the entire object is absent, isReadable defaults to {level:"AA",size:"small"}.

// *Example*
//    tinycolor.isReadable("#000", "#111") => false
//    tinycolor.isReadable("#000", "#111",{level:"AA",size:"large"}) => false
tinycolor.isReadable = function(color1, color2, wcag2) {
    var readability = tinycolor.readability(color1, color2);
    var wcag2Parms, out;

    out = false;

    wcag2Parms = validateWCAG2Parms(wcag2);
    switch (wcag2Parms.level + wcag2Parms.size) {
        case "AAsmall":
        case "AAAlarge":
            out = readability >= 4.5;
            break;
        case "AAlarge":
            out = readability >= 3;
            break;
        case "AAAsmall":
            out = readability >= 7;
            break;
    }
    return out;

};

// mostReadable
// Given a base color and a list of possible foreground or background
// colors for that base, returns the most readable color.
// Optionally returns Black or White if the most readable color is unreadable.
// *Example*
//    tinycolor.mostReadable(tinycolor.mostReadable("#123", ["#124", "#125"],{includeFallbackColors:false}).toHexString(); // "#112255"
//    tinycolor.mostReadable(tinycolor.mostReadable("#123", ["#124", "#125"],{includeFallbackColors:true}).toHexString();  // "#ffffff"
//    tinycolor.mostReadable("#a8015a", ["#faf3f3"],{includeFallbackColors:true,level:"AAA",size:"large"}).toHexString(); // "#faf3f3"
//    tinycolor.mostReadable("#a8015a", ["#faf3f3"],{includeFallbackColors:true,level:"AAA",size:"small"}).toHexString(); // "#ffffff"
tinycolor.mostReadable = function(baseColor, colorList, args) {
    var bestColor = null;
    var bestScore = 0;
    var readability;
    var includeFallbackColors, level, size ;
    args = args || {};
    includeFallbackColors = args.includeFallbackColors ;
    level = args.level;
    size = args.size;

    for (var i= 0; i < colorList.length ; i++) {
        readability = tinycolor.readability(baseColor, colorList[i]);
        if (readability > bestScore) {
            bestScore = readability;
            bestColor = tinycolor(colorList[i]);
        }
    }

    if (tinycolor.isReadable(baseColor, bestColor, {"level":level,"size":size}) || !includeFallbackColors) {
        return bestColor;
    }
    else {
        args.includeFallbackColors=false;
        return tinycolor.mostReadable(baseColor,["#fff", "#000"],args);
    }
};

// Big List of Colors
// ------------------
// <http://www.w3.org/TR/css3-color/#svg-color>
var names = tinycolor.names = {
    aliceblue: "f0f8ff",
    antiquewhite: "faebd7",
    aqua: "0ff",
    aquamarine: "7fffd4",
    azure: "f0ffff",
    beige: "f5f5dc",
    bisque: "ffe4c4",
    black: "000",
    blanchedalmond: "ffebcd",
    blue: "00f",
    blueviolet: "8a2be2",
    brown: "a52a2a",
    burlywood: "deb887",
    burntsienna: "ea7e5d",
    cadetblue: "5f9ea0",
    chartreuse: "7fff00",
    chocolate: "d2691e",
    coral: "ff7f50",
    cornflowerblue: "6495ed",
    cornsilk: "fff8dc",
    crimson: "dc143c",
    cyan: "0ff",
    darkblue: "00008b",
    darkcyan: "008b8b",
    darkgoldenrod: "b8860b",
    darkgray: "a9a9a9",
    darkgreen: "006400",
    darkgrey: "a9a9a9",
    darkkhaki: "bdb76b",
    darkmagenta: "8b008b",
    darkolivegreen: "556b2f",
    darkorange: "ff8c00",
    darkorchid: "9932cc",
    darkred: "8b0000",
    darksalmon: "e9967a",
    darkseagreen: "8fbc8f",
    darkslateblue: "483d8b",
    darkslategray: "2f4f4f",
    darkslategrey: "2f4f4f",
    darkturquoise: "00ced1",
    darkviolet: "9400d3",
    deeppink: "ff1493",
    deepskyblue: "00bfff",
    dimgray: "696969",
    dimgrey: "696969",
    dodgerblue: "1e90ff",
    firebrick: "b22222",
    floralwhite: "fffaf0",
    forestgreen: "228b22",
    fuchsia: "f0f",
    gainsboro: "dcdcdc",
    ghostwhite: "f8f8ff",
    gold: "ffd700",
    goldenrod: "daa520",
    gray: "808080",
    green: "008000",
    greenyellow: "adff2f",
    grey: "808080",
    honeydew: "f0fff0",
    hotpink: "ff69b4",
    indianred: "cd5c5c",
    indigo: "4b0082",
    ivory: "fffff0",
    khaki: "f0e68c",
    lavender: "e6e6fa",
    lavenderblush: "fff0f5",
    lawngreen: "7cfc00",
    lemonchiffon: "fffacd",
    lightblue: "add8e6",
    lightcoral: "f08080",
    lightcyan: "e0ffff",
    lightgoldenrodyellow: "fafad2",
    lightgray: "d3d3d3",
    lightgreen: "90ee90",
    lightgrey: "d3d3d3",
    lightpink: "ffb6c1",
    lightsalmon: "ffa07a",
    lightseagreen: "20b2aa",
    lightskyblue: "87cefa",
    lightslategray: "789",
    lightslategrey: "789",
    lightsteelblue: "b0c4de",
    lightyellow: "ffffe0",
    lime: "0f0",
    limegreen: "32cd32",
    linen: "faf0e6",
    magenta: "f0f",
    maroon: "800000",
    mediumaquamarine: "66cdaa",
    mediumblue: "0000cd",
    mediumorchid: "ba55d3",
    mediumpurple: "9370db",
    mediumseagreen: "3cb371",
    mediumslateblue: "7b68ee",
    mediumspringgreen: "00fa9a",
    mediumturquoise: "48d1cc",
    mediumvioletred: "c71585",
    midnightblue: "191970",
    mintcream: "f5fffa",
    mistyrose: "ffe4e1",
    moccasin: "ffe4b5",
    navajowhite: "ffdead",
    navy: "000080",
    oldlace: "fdf5e6",
    olive: "808000",
    olivedrab: "6b8e23",
    orange: "ffa500",
    orangered: "ff4500",
    orchid: "da70d6",
    palegoldenrod: "eee8aa",
    palegreen: "98fb98",
    paleturquoise: "afeeee",
    palevioletred: "db7093",
    papayawhip: "ffefd5",
    peachpuff: "ffdab9",
    peru: "cd853f",
    pink: "ffc0cb",
    plum: "dda0dd",
    powderblue: "b0e0e6",
    purple: "800080",
    rebeccapurple: "663399",
    red: "f00",
    rosybrown: "bc8f8f",
    royalblue: "4169e1",
    saddlebrown: "8b4513",
    salmon: "fa8072",
    sandybrown: "f4a460",
    seagreen: "2e8b57",
    seashell: "fff5ee",
    sienna: "a0522d",
    silver: "c0c0c0",
    skyblue: "87ceeb",
    slateblue: "6a5acd",
    slategray: "708090",
    slategrey: "708090",
    snow: "fffafa",
    springgreen: "00ff7f",
    steelblue: "4682b4",
    tan: "d2b48c",
    teal: "008080",
    thistle: "d8bfd8",
    tomato: "ff6347",
    turquoise: "40e0d0",
    violet: "ee82ee",
    wheat: "f5deb3",
    white: "fff",
    whitesmoke: "f5f5f5",
    yellow: "ff0",
    yellowgreen: "9acd32"
};

// Make it easy to access colors via hexNames[hex]
var hexNames = tinycolor.hexNames = flip(names);

// Utilities
// ---------

// { 'name1': 'val1' } becomes { 'val1': 'name1' }
function flip(o) {
    var flipped = { };
    for (var i in o) {
        if (o.hasOwnProperty(i)) {
            flipped[o[i]] = i;
        }
    }
    return flipped;
}

// Return a valid alpha value [0,1] with all invalid values being set to 1
function boundAlpha(a) {
    a = parseFloat(a);

    if (isNaN(a) || a < 0 || a > 1) {
        a = 1;
    }

    return a;
}

// Take input from [0, n] and return it as [0, 1]
function bound01(n, max) {
    if (isOnePointZero(n)) { n = "100%"; }

    var processPercent = isPercentage(n);
    n = mathMin(max, mathMax(0, parseFloat(n)));

    // Automatically convert percentage into number
    if (processPercent) {
        n = parseInt(n * max, 10) / 100;
    }

    // Handle floating point rounding errors
    if ((Math.abs(n - max) < 0.000001)) {
        return 1;
    }

    // Convert into [0, 1] range if it isn't already
    return (n % max) / parseFloat(max);
}

// Force a number between 0 and 1
function clamp01(val) {
    return mathMin(1, mathMax(0, val));
}

// Parse a base-16 hex value into a base-10 integer
function parseIntFromHex(val) {
    return parseInt(val, 16);
}

// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
function isOnePointZero(n) {
    return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
}

// Check to see if string passed in is a percentage
function isPercentage(n) {
    return typeof n === "string" && n.indexOf('%') != -1;
}

// Force a hex value to have 2 characters
function pad2(c) {
    return c.length == 1 ? '0' + c : '' + c;
}

// Replace a decimal with it's percentage value
function convertToPercentage(n) {
    if (n <= 1) {
        n = (n * 100) + "%";
    }

    return n;
}

// Converts a decimal to a hex value
function convertDecimalToHex(d) {
    return Math.round(parseFloat(d) * 255).toString(16);
}
// Converts a hex value to a decimal
function convertHexToDecimal(h) {
    return (parseIntFromHex(h) / 255);
}

var matchers = (function() {

    // <http://www.w3.org/TR/css3-values/#integers>
    var CSS_INTEGER = "[-\\+]?\\d+%?";

    // <http://www.w3.org/TR/css3-values/#number-value>
    var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";

    // Allow positive/negative integer/number.  Don't capture the either/or, just the entire outcome.
    var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";

    // Actual matching.
    // Parentheses and commas are optional, but not required.
    // Whitespace can take the place of commas or opening paren
    var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
    var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";

    return {
        CSS_UNIT: new RegExp(CSS_UNIT),
        rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
        rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
        hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
        hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
        hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
        hsva: new RegExp("hsva" + PERMISSIVE_MATCH4),
        hex3: /^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
        hex6: /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
        hex4: /^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
        hex8: /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
    };
})();

// isValidCSSUnit
// Take in a single string / number and check to see if it looks like a CSS unit
// (see matchers above for definition).
function isValidCSSUnit(color) {
    return !!matchers.CSS_UNIT.exec(color);
}

// stringInputToObject
// Permissive string parsing.  Take in a number of formats, and output an object
// based on detected format.  Returns { r, g, b } or { h, s, l } or { h, s, v}
function stringInputToObject(color) {

    color = color.replace(trimLeft, '').replace(trimRight, '').toLowerCase();
    var named = false;
    if (names[color]) {
        color = names[color];
        named = true;
    }
    else if (color == 'transparent') {
        return { r: 0, g: 0, b: 0, a: 0, format: "name" };
    }

    // Try to match string input using regular expressions.
    // Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
    // Just return an object and let the conversion functions handle that.
    // This way the result will be the same whether the tinycolor is initialized with string or object.
    var match;
    if ((match = matchers.rgb.exec(color))) {
        return { r: match[1], g: match[2], b: match[3] };
    }
    if ((match = matchers.rgba.exec(color))) {
        return { r: match[1], g: match[2], b: match[3], a: match[4] };
    }
    if ((match = matchers.hsl.exec(color))) {
        return { h: match[1], s: match[2], l: match[3] };
    }
    if ((match = matchers.hsla.exec(color))) {
        return { h: match[1], s: match[2], l: match[3], a: match[4] };
    }
    if ((match = matchers.hsv.exec(color))) {
        return { h: match[1], s: match[2], v: match[3] };
    }
    if ((match = matchers.hsva.exec(color))) {
        return { h: match[1], s: match[2], v: match[3], a: match[4] };
    }
    if ((match = matchers.hex8.exec(color))) {
        return {
            r: parseIntFromHex(match[1]),
            g: parseIntFromHex(match[2]),
            b: parseIntFromHex(match[3]),
            a: convertHexToDecimal(match[4]),
            format: named ? "name" : "hex8"
        };
    }
    if ((match = matchers.hex6.exec(color))) {
        return {
            r: parseIntFromHex(match[1]),
            g: parseIntFromHex(match[2]),
            b: parseIntFromHex(match[3]),
            format: named ? "name" : "hex"
        };
    }
    if ((match = matchers.hex4.exec(color))) {
        return {
            r: parseIntFromHex(match[1] + '' + match[1]),
            g: parseIntFromHex(match[2] + '' + match[2]),
            b: parseIntFromHex(match[3] + '' + match[3]),
            a: convertHexToDecimal(match[4] + '' + match[4]),
            format: named ? "name" : "hex8"
        };
    }
    if ((match = matchers.hex3.exec(color))) {
        return {
            r: parseIntFromHex(match[1] + '' + match[1]),
            g: parseIntFromHex(match[2] + '' + match[2]),
            b: parseIntFromHex(match[3] + '' + match[3]),
            format: named ? "name" : "hex"
        };
    }

    return false;
}

function validateWCAG2Parms(parms) {
    // return valid WCAG2 parms for isReadable.
    // If input parms are invalid, return {"level":"AA", "size":"small"}
    var level, size;
    parms = parms || {"level":"AA", "size":"small"};
    level = (parms.level || "AA").toUpperCase();
    size = (parms.size || "small").toLowerCase();
    if (level !== "AA" && level !== "AAA") {
        level = "AA";
    }
    if (size !== "small" && size !== "large") {
        size = "small";
    }
    return {"level":level, "size":size};
}

this.tinycolor = tinycolor;

})()`;
}
// It is hacky way to make this function will be compiled preferentially by less
// resolve error: `ReferenceError: colorPalette is not defined`
// https://github.com/ant-design/ant-motion/issues/44
.tinyColorMixin();