Color/Luminosity separation

Started 3 months ago | Discussions thread
gordonpritchard Veteran Member • Posts: 4,886
Re: Color/Luminosity separation
7

If you want to separate luminosity from color then just convert your image mode from RGB to Lab mode. Your images will still be three channels: "L" the luminosity channel, and two color channels: a and b. Select (make active) the L channel and work on it. When finished change the mode back to RGB.

Alternatively you can duplicate your image to a new layer and set that layer's blend mode to "Luminosity" Work on that layer and when finished flatten the image.

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