Tag Archives: CIELAB

The Reference White in Adobe Photoshop Lab Mode

In an earlier post I explained that all CIELAB values are relative to a reference white, and one benefit of the reference white is the chromatic adaptation provided by dividing each CIE XYZ tristimulus value of the stimulus by the … Continue reading

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The CIELAB Reference White

One of the important factors in calculating color coordinates in the CIELAB color space is the reference white. The two primary inputs to the CIELAB equations are the set of CIE XYZ tristimulus values for the stimulus, or measured color, … Continue reading

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The Proper Notation for the CIELAB Color Space

The 1976 CIELAB color space is 3-dimensional with the dimensions labeled as L*, a*, and b*. Unfortunately, some implementations of the CIELAB color space in software applications have not followed the proper notation and have simply labeled the three dimensions … Continue reading

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