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Understanding Color Management

Understanding Color Management

You’ve probably noticed that iPhoto lacks tools for manually adjusting color saturation or amounts of any given color in a photo. Although the Enhance tool does some of this, Apple’s decision to keep color correction an entirely automatic operation wasn’t a bad one. Why? Color correction of any sort is devilishly difficult to do right (and as you may have noticed, even Enhance can get it wrong at times). Color correction suffers from two basic problems: the fact that color is highly perceptual and the fact that different devices render color in different ways.

Color Perception

Everyone sees color in different ways. My wife and I, for instance, frequently disagree on whether a given color is green or blue, and the fact that my opinion generally seems to match what others think as well doesn’t change the fact that she is perceiving a different color. Add that to the fact that at least 10 percent of the population suffers from some level of color blindness.


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