API@uimatch/coreFunctionsdeltaE2000On this pageFunction: deltaE2000() function deltaE2000(rgb1, rgb2): number; Defined in: packages/uimatch-core/src/utils/color.ts:77 Calculate CIEDE2000 color difference Parameters rgb1 RGB First RGB color rgb2 RGB Second RGB color Returns number Delta E 2000 value (perceptual color difference)