![]() Each pixel is composed of three tiny specks of phosphor, which emit red, green or blue light when struck by an electron beam. You’ll also hear this model referred to as RGB, because when you work with additive colour, you use red, green and blue as primary colours.Īdditive colour is used in digital design, because computer screens show hues with coloured light. In this model of colour theory, the combination of all colours creates the perception of white. ![]() Light and electromagnetic radiation both create additive colour. The way to create black or white depends on whether you’re working with an additive colour model (light-based) or a subtractive colour model (ink-based).Īdditive colours combine to create white. What colours make black? What colours make white?
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