Watercolour pigments are of particular interest because the behaviour of pigments in watercolour is so much more noticeable than with other mediums. The price of the colour depends on the original cost of the pigment, binder and filler. It does not reflect greater permanence nor any other characteristic.

• Watercolour pigments are of particular interest because the behaviour of pigments in watercolour is so much more noticeable than with other colours.
• Well-informed Artists choose colours according to their behaviour and lightfastness, in a similar way to being aware of technical aspect in printmaking or photography.
• Aside from hue, the choice and use of different watercolours depends largely on three further areas; Transparency, Granulation and Staining.
• The permanence of watercolours is in the pigments used for the best archival quality critical to the permanence of the painting, beside the paper used.