Lab and LCHThe CIE Lab color space expresses colors in terms of lightness and how red/green and blue/yellow a color is. LCH is a variant of Lab with polar coordinates. These color spaces can be used with the CSS color(), lab(), and lch() functions. Also known as CIELAB and CIELCH.color-typesColor typeswidely2023-05-092025-11-09https://drafts.csswg.org/css-color-4/#cie-labcss-lch-labhttps://developer.mozilla.org/docs/Web/CSS/Reference/Values/color_value/labcss.types.color.labcss.types.color.lab.mixed_type_parameterscss.types.color.lchcss.types.color.lch.mixed_type_parametershttps://nowyoucanuse.com/features--lab.html