No you don't want to do away with the SimpleColor node. That's what let's you change the tone in one place.

The issue is that the math you did at the end cancelled out the SimpleColor node. Not that I want to get rid of it, but rather I want to make it do something.

The math you did here:

((colorMap + setSkin) - baseTone

Cancelled the SimpleColor node's effect away.

You just want to use setSkin - that's the final color after all the tinting is done.

You do not want to undo the tinting by add the color map and subtracting the baseTone. All that does is remove the baseTone and add back the colorMap, thus making the whole baseTone thing do nothing.

Imagine a food recipe.

Take some chocolate. Mett it, blend with lemon and honey. Then remove the chocolate_lemon_honey blend from your mouth and add chocolate.

That's the same as "eat chocolate".

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)