Refers to the mixing of colours by the addition of spectral ranges. According to the trichromatic theory, the colours produced by additive colour mixing are the complementary colours of the primary colours (red, green and blue). Mixing the three primary colours in equal amounts produces white light.
Light colours
Super imposing several colours of light is an additive mixing process. Mixing two of the primary colours red, green and blue results in magenta, cyan or yellow. By mixing the three primary colours in equal amounts, white light is produced.
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