import { Quantity } from './base/Quantity';
import { Stringable } from '../Stringable';
declare type Rgba = 'rgba';
declare type Rgb = 'rgb';
declare type Hex = 'hex';
declare type RgbValue = [number, number, number];
declare type RgbaValue = [number, number, number, number];
declare type HexValue = `#${string}`;
declare type ColorValue = RgbValue | RgbaValue | HexValue;
declare type ColorSign = Rgb | Rgba | Hex;
declare abstract class Color<TValue extends ColorValue = ColorValue, TSign extends ColorSign = ColorSign> extends Quantity<TValue, TSign, Color<TValue, TSign>> implements Stringable {
    abstract toString(): string;
    abstract valueRgba(): RgbaValue;
    negate(): ColorRgba;
    lighten(amount: number): ColorRgba;
    darken(amount: number): ColorRgba;
    saturate(amount: number): ColorRgba;
    desaturate(amount: number): ColorRgba;
    grayscale(): ColorRgba;
    isDark(): boolean;
    isLight(): boolean;
    fade(amount: number): ColorRgba;
    opaquer(amount: number): ColorRgba;
}
declare class ColorRgb extends Color<RgbValue, Rgb> {
    static new(...value: RgbValue): ColorRgb;
    toString(): string;
    valueRgba(): RgbaValue;
    clone(): ColorRgb;
}
declare class ColorRgba extends Color<RgbaValue, Rgba> {
    static new(...value: RgbaValue): ColorRgba;
    toString(): string;
    valueRgba(): RgbaValue;
    clone(): ColorRgba;
}
declare class ColorHex extends Color<HexValue, Hex> {
    static new(value: HexValue): ColorHex;
    toString(): string;
    valueRgba(): RgbaValue;
    clone(): ColorHex;
}
export { Color, ColorHex, ColorRgb, ColorRgba };
export type { HexValue, RgbValue, RgbaValue };