EasyRGB  The inimitable RGB and COLOR search engine!  4 views

Color calculatorConverts color data to different color standards (RGB, CMYK, L*ab, L*ch, L*uv, Hunter, XYZ etc.). All the math implemented in this calculators is available in the math/formulas page.

Monitor color calibration, Monitor color resolution, Create color harmonies, Color delta/comparison math, Color tutorials formulas to calculate color differences. All of them refers to the CIEL*ab color space.Each formula is written as a "neutral programming function", easy to be translate in any specific computer language.We did not post obvious deltas which involve a simple subtraction of two values.