COLOUR

Light colour: it is a light impression that arrives to the eyes which send the information to the brain.
Pigment: it is the sustance that makes the materials for paint and the origenes can be mineral, animal or vegetal.
Complementary colour: they are pairs of colours which are located une in front of each other on the colour wheel.
Warm range: it is a scale of colours that was more yellow, more magenta, or both in its mixture.
Cold range: it is a scale of colours that was more cyan or blue in its mixture than any other colour.
Grey scale: it is set of colours  only has colours between black and white.