Light is the source of colour. Light rays or waves, which vary in length and rate of vibration produce different sensations and appear as different colours. Colour is typically seen when a colour stimulus acts on the receptors in the eyes and they in turn set off activity in the nervous system which ends in the colour response. Colourthenis the name given to the reflections of wavelengthsfromsurfaces. Colour is all around us. It is a sensation that adds excitement and emotion to our lives. Everything from the clothes we wear, to the pictures we paint revolves around colour. Without colour; the world would be a much less beautiful place. Colour can also be used to describe emotions; we can be red hot, feeling blue, or be green with envy.
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