Chroma key colour Blue Poster
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![Chroma key colour Blue Poster Chroma key colour Blue Poster](https://rlv.zcache.com/chroma_key_colour_blue_poster-r026465572c1e4fefa75ab3899375d41d_ilb22_500.jpg?rlvnet=1)
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Chroma key is a special effect that uses the green or blue color on the screen to make it possible to remove part of the image from a photo or video and replace it with something with a different look.