Understanding ‘selective color’ ?

H
Posted By
hannes
Jul 13, 2006
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1035
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0
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Closed
Hi,

i’m tryng to understand the ‘Selective Color’ command in photoshop. I managed to figure out how the command changes the ‘control’ colors (yellow, green, blue, red, cyan, magenta, black, grey, white). E.g. mode ‘relative’ transforms the color to CMY, multiplies the (C,M,Y) factor with the (C,M,Y) value of the respective color and re-transforms

the color to RGB.
But i couldn’t figure out how the command changes the ‘intermediate’ colors. Must be some sort of interpolating, but there are many possible

choices for interpolation, and in which color model is interpolated ?

Is there some ‘selective color’ expert who can give me a hint ?

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