Nailing skin tones in Darktable?

Software darktable
17

Krita does lack some critical selection tools, and some filters, but in the case of modifying CMYK color, it’s not lacking there. In the case of modifying color in CMYK, it’s as easy as this in Krita.

  1. Open up your file in 32F float RGB TIFF. Or whatever the highest level of info you have. If it 8-bit integer, you can use that instead if that’s all you have to work with.
  2. Duplicate your image.
  3. Select the duplicated image.
  4. Go to Layer->Convert->Layer Color Space. Convert from RGB to CMYK.
  5. Set your duplicated layer to color blending mode. (If you want to preserve luminosity).
  6. Add a non-destructive color adjustment mask onto the duplicated layer. Yes, it has it own mask. Right click, then add Filter Mask.
  7. Modify the Magenta and Yellow Channel.
  8. You’re done at this point.
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