export declare const black: Color

export declare const hex: (value: string) => Hex

export declare const hsl: (h: number, s: number, l: number) => Color

export declare const hsla: (h: number, s: number, l: number, a: number) => Hsla

export declare const white: Color

export declare const toCss: (color: Color) => string

export type Color = Hex | Hsla

export interface Hex {
  readonly _tag: 'Hex'

  /**
   * The hexadecimal value of a color.
   */
  readonly value: string
}

export interface Hsla {
  readonly _tag: 'Hsla'

  /**
   * A number between `0` and `360` representing the hue of the color in degrees.
   */
  readonly h: number

  /**
   * A number between `0` and `1` representing the percent saturation of the color
   * where `0` is completely denatured (grayscale) and `1` is fully saturated (full color).
   */
  readonly s: number

  /**
   * A number between `0` and `1` representing the percent lightness of the color
   * where `0` is completely dark (black) and `1` is completely light (white).
   */
  readonly l: number

  /**
   * A number between `0` and `1` representing the opacity or transparency of the color
   * where `0` is fully transparent and `1` is fully opaque.
   */
  readonly a: number
}