Why are green screens green?
In: Technology
In modern times it’s just because it’s the furthest away from human skin tones. Technology wise there’s nothing special about it, and it just works as a nice solid color for the computer to basically just do a “paint bucket,” style fill/erase like you would in MS paint.
[Back in the day before computers](https://youtu.be/msPCQgRPPjI) though, they would use the color blue (one of the primary colors) and run the footage through filters in order to get a black and white “matte,” they could use for blending the foreground and the background together.
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