1. Introduction into the World of Colours

What are "colours" anyway?

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:

Physical Definition

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... 

Important Terms

On the following pages, I'll explain important terms such as hue, saturation and lightness, and the relations to colours.