You probably learned some of the very basics of colour theory at school. There are three primary colours – red, yellow, and blue – and any colour can be created by mixing these three colours in ...

The principles of colour perception, explained in terms of the interactions between a light source, an object and an observer. Fundamental aspects of light sources. The ways in which an object ...

This article was written by one of our Young Reporters, a scheme that gives 14 to 18-year-old school students a chance to write for a real newspaper. Find out more at the Young Reporter website. When ...