Film Production Glossary

G

Green screen

Shooting a person or object in front of a green screen makes it possible to remove the green background and replace it with the desired real-life, virtual or painted backdrop in . The green screen method is generally used when it is too expensive to shoot in the actual location or said location does not exist. Besides green there are also red, yellow and, most importantly, . It is possible to key out (remove) any color; however, blue or green screens are mostly used because these colors occur in human skin only to a small extent; if a green object is shot in front of a green screen it will appear transparent or disappear completely after keying. It is advisable to choose a green over a blue screen when working with a Red One, as Red Ones are more prone to noise on the blue than on the green channel.