The most common colors used in rear-projection, are green and blue (cyan). This is due to the fact that these colors do not contain human skin tones. In practice, however, you can use any other colors, especially black and white. Most often combined filming a movie used a green screen (which gave its name to Technology «Green screen»). On television more often use blue («Blue screen»). Although in each case the color of rear-screen may depend on the assigned tasks and artistic characteristics of the equipment
Hromakey technology saves a lot of time and money in the process of shooting movies or TV shows. The only downside is that if the clothes removes contains color similar to the background color, the person begins to "shine" ("light"). In this connection, the selection of costumes for the actors or presenters avoid colors that match the background.
