Gamut

Visualizing gamuts

Days ago, a very interesting question arose in the mailing list.

How can I visualiza the gamut of a profile?

Little CMS does not offer direct tools to do that. But with some code, it is easy to do so. Be warned there is some hacking required.

A typical profile can be thought as a “black box” that translates values from a colorimetric space, usually CIE L*a*b*, to a device space. For example, RGB in a screen profile. Since the range of realizable colors (the gamut) is limited on real devices, not all Lab values would have a corresponding RGB. Only the Lab values that are inside monitor gamut would be displayed.

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