Nailing skin tones in Darktable?

[pphoto]

Did not know an approach yet that uses certain color ratios, will take a deeper look at it.

I use reference colors to match skin tones in darktable, made a longer posting with examples about it:

Natural skintone with reference colors

Introduction This posting describes a way to match skin color and white balance in Darktable using a reference palette. This works similar to color adjustmens with a grey card or a color checker. This time a defined skin color is the reference to match skintones to. Preparation Get a palette First you need a skin color as reference. You find many reference palettes on the web https://duckduckgo.com/?q=skin+tone+palette&atb=v1-1&ia=images Find one that matches your needs and download it as…