It is said that "simplicity is managed complexity."1 In "The Second C" series, we have seen that the complexities of Light, Object, and Observer impact how we perceive color. Now, we will see how digital color management provides that layer of simplicity in the same way that the face and hands of a watch manage the complexity of the gears inside. Decades of work in digital color management have produced a repeatable and scalable approach to identify and manage "acceptable color difference." This article 1) explains how colors are converted to numbers and 2) reviews tolerances. Finally, a comprehensive template for understanding color difference metrics is provided, complete with standardized comments for each use case.
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