additive colour

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A process of generating colours by combining red, green, and blue light that is used in film, photography, stage-lighting, and graphic design. Mixing the primary colours of red and green produces the secondary colour yellow, similarly, green and blue produce cyan, and blue and red produce magenta. The more that colours in light are mixed together, the lighter they become. Mixing every colour produces white light. See also colour; RGB; compare subtractive colour.

Subjects: Media Studies.

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