Colour Psychology covers the colour preferences of different people, such as children, adolescents, normal and abnormal groups.
By contrast, it also deals with the effects that colours have on people.
Colours have a special role to play in the expression of personality, mood and emotion.
Colour psychology studies the perception of colour and deals with some of the extraordinary illusions that are possible with colour. It also studies constancy , which is the even more amazing ability that one has to recognise the same colours under different lighting.
There are remarkable differences between the concepts of psychological colour-symbolism in the systems of Freud and Jung.
One of the strangest of phenomena under the heading of colour psychology is that of synaesthesia.