The ability to see colour is achieved by the visual interpretation of light interacting the light receptors in the eye. In 1708, Claude Boutet presented us with these colour circles, which remain the basis of our current colour wheel. Different colours range from 3 to several thousand: Red, Yellow & Blue are Primary Colours which can’t be mixed from any other colours. Corresponding Secondary Colours form another traid – Orange, Green & Purple. They are made by mixing equal parts of 2 primary colours. The Tertiary group of colours are Yellow-Green, Blue-Green, Blue-Violet, Red-Violet, Red-Orange, and Yellow-Orange – all made...
