additive colour synthesis

Definition: Combining or blending of two or more coloured lights, rather than using colourants, in order to synthesise, simulate or give sensation of another colour. * Any colours may be combined. * For effective colour synthesis, three primary colours are needed e.g. red, green and blue. * Colours synthesized additively are most vivid (saturated) when they result from combining a pair of primary colours; if another primary is introduced, colour becomes less saturated. * Lightness of colour varies with intensity of primary colours. * An equal mix of the three primary colours produces white light.

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