/**
 * A collection of color utility functions.
 */
/**
 * Parses a color string (hex, rgb, rgba) into an array of [r, g, b].
 * Returns black for invalid colors.
 */
export declare const parseColor: (color: string) => [number, number, number];
export declare const hexToRgba: (hex: string, alpha?: number) => string;
export declare const rgbToHex: (r: number, g: number, b: number) => string;
export declare const rgbToHsl: (r: number, g: number, b: number) => {
    h: number;
    s: number;
    l: number;
};
export declare const hslToRgb: (h: number, s: number, l: number) => {
    r: number;
    g: number;
    b: number;
};
export declare const rgbToHsv: (r: number, g: number, b: number) => {
    h: number;
    s: number;
    v: number;
};
export declare const hsvToRgb: (h: number, s: number, v: number) => {
    r: number;
    g: number;
    b: number;
};
export declare const rgbToCmyk: (r: number, g: number, b: number) => {
    c: number;
    m: number;
    y: number;
    k: number;
};
export declare const cmykToRgb: (c: number, m: number, y: number, k: number) => {
    r: number;
    g: number;
    b: number;
};
export declare const rgbToXyz: (r: number, g: number, b: number) => {
    x: number;
    y: number;
    z: number;
};
export declare const xyzToRgb: (x: number, y: number, z: number) => {
    r: number;
    g: number;
    b: number;
};
export declare const xyzToLab: (x: number, y: number, z: number) => {
    L: number;
    a: number;
    b: number;
};
export declare const labToXyz: (L: number, a: number, b: number) => {
    x: number;
    y: number;
    z: number;
};
export declare const rgbToLab: (r: number, g: number, b: number) => {
    L: number;
    a: number;
    b: number;
};
export declare const labToRgb: (L: number, a: number, b: number) => {
    r: number;
    g: number;
    b: number;
};