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Tuesday, March 31, 2015

Color: Converting Lab to L*a*b*

Last week a customer asked a simple question, "How do you convert from Lab color space to L*a*b*?"

I simply solved the equations for L,a and b for X,Y and Z. Then I plugged these values in to the equations for L*a*b*.  Keep in mind I used the equations for Illuminant C and 2° Observer. The equations would be different for different Illuminant/Observer conditions.