Green screens are used to add backgrounds to your favorite movies and TV shows, but why are they green? Here's an explanation of how they work.

Commonly known as green screen or blue screen filming, chroma key compositing is a visual-effects technique used to merge two or more video layers based on color ...

Netflix has a new compositing method that relies on ML to do some of the hard work, but it requires lighting actors in a garish magenta.

Although green is used so often that “green screen” and “chroma key” have become almost interchangeable, any color will work.