The BBC program Horizon produced a great documentary on the perception of colour. It covers a lot of great ideas around colour from a science-based perspective as well as how different cultures understand and communicate ideas of colours.

It is amazing how much colour can literally change our mind on things.

You can watch it here:

Horizon Do You See What I See Part 1-4 by plamenj

Edit: colour and color are the same thing just different spelling, fools.