{cabal}:

cabal.mkDerivation (self : {
  pname = "colour";
  version = "2.3.1";
  sha256 = "58cf12b8abf7d01a752b1b778b64cc406903874702e3475d65c2aa35689fa49b";
  meta = {
    description = "Data type, conversion and composition of colours";
    license = "OtherLicense";
  };
})