relating to colour

CIELAB, L*a*b* CIELAB colour space representation using a lightness value L*, a value a* on a red-green axis and a value b* on a blue yellow axis; these axes reflect human perception. CMYK colour space representation using cyan, magenta, yellow and black HSB colour space representation using separate channels for hue, saturation and brightness (also called HSV) HSL colour space representation using separate channels for hue, saturation and lightness HSV colour space representation using separate channels for hue, saturation and value (also called HSB) RGB colour space representation using red, green and blue colour channels YCbCr colour space representation using separate channels for a luminance component Y, a blue-difference component Cb, and a red-difference component Cr, respectively YUV colour space representation using separate channels for a luminance component Y and two chrominance components U and V