What are the additive primary colours of light?
Primary colours are those that cannot be made from mixing other colours. Instead, primary colours are the source of other colours.
Additive primary colours are the primary colour elements that make up white light. They are different from the primary colours that are mixed for painting. The additive primary colours are red, green, and blue, commonly called RGB. By additively mixing the colours red, green, and blue in varying amounts, almost all other colours can be produced.
For example, when a green light and a red light are shone together on a wall, the result is a yellow light! In various combinations, these three colours will also make almost any other colour. However, when the three primaries are added together in equal amounts, white is produced.
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