But, what exactly are the differences between blue screen vs green screens, and how do they work? How Chroma Key Compositing WorksĬhroma key compositing, or chroma keying, is a popular video production technique that simplifies the process of incorporating special effects like CGI, background swapping, and other VFX in the post-production process. Using blue backgrounds and bright green-screen backgrounds is common in Hollywood.
They allow you to place actors in a bustling New York City street, in the middle of a haunted house, or on the surface of the moon through the use of visual effects. When it comes to keeping your options open in post-production, nothing is better than shooting photos and video against a green screen or blue screen. Interested in understanding the differences between blue screen vs green screen? Read on.Īlso known as chroma key backgrounds, green screen or blue screen backdrops make it easy for filmmakers and photographers to replace the background with virtually any image or video footage they can imagine.