![]() If the color of the background is matching the color of the subject in the foreground the subject will also be made transparent. Newscasts use a green screen because the suits worn by weathermen are often a blue color. ![]() The colors green or blue are most commonly used because these colors are considered to be the furthest away from skin tone colors. It can be done with any color, as long as the color is consistent and distinct. The weather forecast footage is then placed on the green screen behind the weatherman.Ĭhroma keying is done by using a screen of one solid color that is placed behind the subject. ![]() Weathermen are usually placed in front of a green screen. This visual-effects technique is widely used in video production but is also common in the gaming industry and during live television newscasts. This allows you to add stills or separately filmed footage to the background of the video or broadcast. Part of the foreground footage is made transparent. This allows for more freedom in the location you are filming or broadcasting from. Chroma keying is a visual-effects technique where the background of a scene is removed from the subject of a video.
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