Tag Archives: Monitor

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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Monitor Calibration: D65 White Point for Soft Proofing

If you buy a color computer monitor today, connect it to your computer and display a photographic image on it you will probably be happy with the appearance of that image on the monitor. The monitor will use LCD technology … Continue reading

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Monitor Calibration: 2-Degree or 10-Degree Observer Color-Matching Functions?

The CIE defined two sets of color-matching functions for use as standard observers. The first was the CIE 1931 Standard Colorimetric Observer. The second was the CIE 1964 Supplementary Standard Colorimetric Observer. The difference is based on the field of … Continue reading

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Monitor Calibration: D65 or 6500 K?

In my earlier post, I explained why the CIE standard illuminant D65 has a correlated color temperature (CCT) of 6504 K, not 6500 K. This is a trivial difference that is generally not perceptible, but it has led to some … Continue reading

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