First of all, I would like to define "colours", how they are produced, and why we can see in colour.
Moreover, I'll go into frequently used terms concerning colours and provide a short explanation.
The following subpages are available in this chapter:
What is colour? Why can humans see colours? How are they produced? Colours are an optical phenomenon. For this optical phenomenon, we need light - without light...
On the following pages, I'll explain important terms such as hue, saturation and lightness, and the relations to colours.