CIE Delta E 76 (L*a*b* dE)

Delta E 76 is simply the Euclidean (i.e. straight line) distance between two color coordinates in CIE L*a*b* colorspace. Since the development of CIE Delta E 76, several improved delta E metrics have been developed, such as CIE Delta E 94 and CIE Delta E 2000.

Since it is based on L*a*b* space, a reference white needs to be chosen to compute this Readout value.

Details of white point configuration.

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