1. TONALITY

One of the most complicated issues for artists when it comes to colour is understanding the value of colours in nature and how to replicate this in paint. This is also sometimes called the tonality of colours.

In the modern world, a greyscale – usually containing as many as 10 stops on the scale from pure white to absolute black – is used as a guide to colour values. A pure middle grey is usually the fifth stop on this scale. Value refers to the visual quality of light and dark of surfaces, colours, objects and shapes, as we see them in nature. In other words, how light or dark are they. Matching colour mixtures to capture the correct values of an object or a scene is