{inputs, ...}: let
  inherit (inputs.nixpkgs.lib) toHexString concatStrings strings toLower;
  inherit (strings) fixedWidthString;

  padHex = n: fixedWidthString 2 "0" (toHexString n);
  padHexLower = n: fixedWidthString 2 "0" (toLower (toHexString n));

  toHex = color: concatStrings ["#" (padHex color.red) (padHex color.green) (padHex color.blue)];
  toHexNoHash = color: concatStrings [(padHex color.red) (padHex color.green) (padHex color.blue)];
  toRGB = color: concatStrings ["rgb(" (toHexNoHash color) ")"];
  toRGBHex = color: concatStrings ["rgb(" (padHexLower color.red) (padHexLower color.green) (padHexLower color.blue) ")"];
  toRGBA = color: a: concatStrings ["rgba(" (toString color.red) "," (toString color.green) "," (toString color.blue) "," (toString a) ")"];
in {
  toHex = toHex;              # 0xrrggbb
  toHexNoHash = toHexNoHash;  # rrggbb
  toRGB = toRGB;              # rgb(red,green,blue)
  toRGBHex = toRGBHex;        # rgb(rrggbb)
  toRGBA = toRGBA;            # rgb(red,green,blue,opac[0-1])
}