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Tarek Bahaa El Deen
Assistant Professor in Graphic Design

Saturation in CIE Lab

Due to the lack of a related chromaticity diagram,

saturation is not officially defined in CIELAB.

then what the better color work space
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Jody Campbell

Posted on Aug 15, 2014 12:37:41 AM Permalink

Lab addresses saturation through a value of "lightness". L = lightness + two color channels "a" and "b". Saturation is a measure of color purity and when ever you introduce value, tone or tint (lightness) then you have desaturated the hue.