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| | Saturation (color Theory) Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-10-07) |
 | | In color theory, saturation or purity refers to the intensity of a specific hue. |
 | | The RGB color space is not an absolute colorimetric space, and therefore the value of saturation is arbitrary, depending on the choice of the color primaries and the white point illuminant. |
 | | In the CIE XYZ and RGB color spaces, the saturation is defined in term of additive color mixing, and has the property of being proportional to any scaling centered at white or the white point illuminant. |
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