declare module 'colvert' {
    export type RGB = [number, number, number];
    export type RGBA = [number, number, number, number];
    export type HSL = [number, number, number];
    export type HSV = [number, number, number];
    export type CMYK = [number, number, number, number];
    export type HEX = string;
    export type LAB = [number, number, number];
    export type LCH = [number, number, number];
    export type XYZ = [number, number, number];
    
    export interface ColorScheme {
      base: HEX;
      analogous: HEX[];
      complementary: HEX[];
      triadic: HEX[];
      tetradic: HEX[];
      monochromatic: HEX[];
      splitComplementary: HEX[];
    }
  
    export function rgbToHex(rgb: RGB): HEX;
    export function rgbTohex(rgb: RGB): HEX;
    export function rgbToHsl(rgb: RGB): HSL;
    export function rgbTohsl(rgb: RGB): HSL;
    export function rgbToHsv(rgb: RGB): HSV;
    export function rgbTohsv(rgb: RGB): HSV;
    export function rgbToCmyk(rgb: RGB): CMYK;
    export function rgbTocmyk(rgb: RGB): CMYK;
    export function rgbToLab(rgb: RGB): LAB;
    export function rgbToXyz(rgb: RGB): XYZ;
    export function rgbToLch(rgb: RGB): LCH;
    export function rgbaToHex(rgba: RGBA): HEX;
  
    export function hexTorgb(hex: HEX): RGB;
    export function hexToRgb(hex: HEX): RGB;
    export function hexToHsl(hex: HEX): HSL;
    export function hexTohsl(hex: HEX): HSL;
    export function hexToHsv(hex: HEX): HSV;
    export function hexTohsv(hex: HEX): HSV;
    export function hexToCmyk(hex: HEX): CMYK;
    export function hexTocmyk(hex: HEX): CMYK;
    export function hexToRgba(hex: HEX): RGBA;
    
    export function hslToRgb(hsl: HSL): RGB;
    export function hslTorgb(hsl: HSL): RGB;
    export function hslToHex(hsl: HSL): HEX;
    export function hslTohex(hsl: HSL): HEX;
    export function hslToHsv(hsl: HSL): HSV;
    export function hslTohsv(hsl: HSL): HSV;
    
    export function cmykToRgb(cmyk: CMYK): RGB;
    export function cmykTorgb(cmyk: CMYK): RGB;
    export function cmykToHex(cmyk: CMYK): HEX;
    export function cmykTohex(cmyk: CMYK): HEX;
    export function cmykToHsl(cmyk: CMYK): HSL;
    export function cmykTohsl(cmyk: CMYK): HSL;
  
    export interface RandomColorOptions {
      format?: 'hex' | 'rgb' | 'hsl';
      hue?: number | [number, number];
      saturation?: number | [number, number];
      lightness?: number | [number, number];
    }
    
    export function randomColor(options?: RandomColorOptions): HEX | RGB | HSL;
    export function randomcolor(options?: RandomColorOptions): HEX | RGB | HSL;
    export function generateColorScheme(baseColor: RGB | HEX): ColorScheme;
  
    export function lighten(color: RGB | HEX | HSL, amount: number): typeof color;
    export function darken(color: RGB | HEX | HSL, amount: number): typeof color;
    export function saturate(color: RGB | HEX | HSL, amount: number): typeof color;
    export function desaturate(color: RGB | HEX | HSL, amount: number): typeof color;
    export function grayscale(color: RGB | HEX | HSL): typeof color;
  
    export function getLuminance(color: RGB | HEX): number;
    export function getContrastRatio(color1: RGB | HEX, color2: RGB | HEX): number;
    export function isWcagAA(color1: RGB | HEX, color2: RGB | HEX): boolean;
    export function isWcagAAA(color1: RGB | HEX, color2: RGB | HEX): boolean;
    export function getSuggestedTextColor(background: RGB | HEX): HEX;
  }