| Definition: | attribute of a visual sensation according to which the perceived colour of an area appears to be more or less chromatic
NOTE 1 – For a colour stimulus of a given chromaticity and, in the case of related colours, of a given luminance factor, this attribute usually increases as the luminance is raised except when the brightness is very high.
NOTE 2 – Formerly, "chromaticness" denoted the combined perceptions of hue and saturation, i.e., the perceptual correlate of chromaticity.
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