Please point me at FAQ or whatever if I'm missing something
Basically, I would like to replace a car color, but not affect the
highlights/lighting affects on the car. For example, if a car is green,
but the picture has it in a certain light, the green will be mixed with
white light, etc. I just want to repalce the underlying green, but let
that mix with the external light the same way that the actual green is.
Is there a way to do this? Basically, for the car itself, for whatever
fraction of green a certain pixel has, I want to change that green to
something else. I might use a plain blue as the replacement, but it
would mix "realistically" - hopefully.
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