itwmw/color-difference (packagist): Color difference：Din99,CIE76,CIE1994,CIEDE2000,CMC l:c
Keywords: CIEDE2000|din99|cie76|cie94|色差|color difference|CIE1976|CIE1994|CMC|CMClc|CIE2000|CIE00|Delta E|cmclc|color-difference