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A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components. When this model is associated with a precise description of how the components are to be interpreted , taking account of visual perception, the resulting set of colors is called "color space."
This article describes ways in which human color vision can be modeled, and discusses some of the models in common use.
Mathematical model describing colors as tuples of numbers
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