No, it wouldn't. And that the reason for my question. The original footage is highly processed. Darker here, brighter there. A lot of animated mask in the adjustment layer. Think, I'm correcting bad lighting. And the luminance dependend fx should be of couse dependend of this corrected footage. Let me explain: Say I want to make shadow brown, highlights blue and keep midtones as they are. For instance the faces. On both sides of my images there a person. One person on the right side, one on the left. The left side is overexposed because a spot stands here. The head is bright and the trousers brigher, so they fall into midtones. The person on the right is underexposed. Hair is darker and trousers are in the deep shadows. So we have in the uncorrected version: Left: shoes - midrange, trousers - brighter midrange, face - bright, hair - very bright. Right: shoes - black, trousers - dark shadows, face - darker midrange, hair - midrange Now I correct this. Both sides are now nearly equal in brigthness. (and raw material has that dynamic to do this! There are infomations in the shadows and the brightes lights are not clipped.) Now I want to color the shadows brown and the highlights blue. What I want is: brown shoes, little less brown trousers, natural face, bluish highlights in the hair (->backlight) If I would use the original footage to apply the selective color correction/colorisation I would get black or blue trousers on the left, bluish face and total blue highlights, but the right person would have brown trousers, a brownish face and a natual blond hair. Thats a totally different and inacceptable result. Thomas
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