Pocket Colour Wheel
A guide to mixing and matching colours for amateur and professional use. This very easy to use wheel also helps to understand hue, tints, tones and shades. It will teach you about the gray scale, primary colours, secondary colours, tertiary(intermediate) colours, aggressive (warm) colours, receding (cool) colours, key colour, neutral gray, intensity of chroma and value. The backside will also show you the many illustrations of colour relationships.