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Texturize a green screen key without affecting the background
I’m pretty sure this is very easy and I should know how to do this, but I just can’t remember, nor can I figure out the right search terms to find the answer.
I have two guys standing in front of a green screen. I keyed out the green screen and placed the guys in front of an illustrated background. To make them match the storybook nature of the setting they’re now in, I want to apply a paper texture to just the guys, not the background. I downloaded a stock paper texture and dropped it in the timeline below the video layer, above the background, and tried every layer mode on the video layer. Stencil luma gives the guys the texture I’m looking for (I need to find a better paper sample, but it’s going in the right direction), but it blacks out everywhere else making the background invisible.
What am I missing? How do I apply this paper texture to just the video layer?