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You agree on color with a supplier not with words but with L*a*b* and ΔE. This is how you record color, tolerance and measurement conditions unambiguously — and avoid surprises at delivery.

Color difference formulas objectively quantify the difference between two colors. Discover the main formulas - CIE76, CMC, CIE94, and CIEDE2000 - their strengths and when to use which formula.