Tag Archives: ICC Profile

A Digital Camera Does Not Have A Color Gamut

Color gamut is a popular concept in digital color management, and is frequently mentioned in discussions about the selection of a color space (e.g., sRGB or ProPhoto RGB) or the compression of colors in a color-managed workflow. Color gamut volume … Continue reading

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Comparison of Adobe RGB and sRGB Colors

Two of the most commonly used ICC profiles for RGB images are Adobe RGB (1998) and sRGB IEC61966-2.1. The Adobe RGB (1998) color space has a larger color gamut than the sRGB IEC61966-2.1 color space, but you may be surprised … Continue reading

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Chromatic Adaptation for Display Profiles

When I was working on improvements to the OptiCAL software in 1998, one of the challenges was the selection of the chromatic adaptation algorithm. At the time, the International Color Consortium (ICC) did not specify a chromatic adaptation algorithm, so … Continue reading

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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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