Winsor and Newton Cotman Water Colours are a range of water colours that are made to Winsor & Newton's high-quality standards, but costs are reduced by substituting traditional pigments with less expensive modern pigments. The range offers excellent lightfastness, good tinting strength, good transparency and true optical working properties. Cotman Water Colours come in 40 beautiful tones. They're affordable but uncompromising on quality - they have excellent tinting strength and are easy to work with. The Cotman Water Colour range has a more uniform consistency than the Professional Water Colour range and this benefits beginners as there is less to learn about each individual pigment. The Cotman Water Colour range also relates to the Winsor & Newton Professional Water Colour range, e.g. Burnt Sienna in both ranges has the same hue. This enables artists to use colours from both ranges with minimal adjustment to their technique. Costs are kept to an economical level by replacing some of the more costly pigments with less expensive alternatives. Pigments derive from a number of sources: Some are natural products, notably the earths, eg. umbers, ochres; others come from metal compounds and are sometimes termed 'traditional' or 'genuine', eg. ultramarine. The distillation of petroleum yields an ever widening range of organic pigments which are often termed as 'modern'. Many of the pigments used in Cotman are organic. Traditionally the white of the paper provides the brilliance to water colour and can be used as highlights. However, some artists utilize Chinese White for highlights at the end of their painting or in dulling some colour mixtures down. The range offers a balanced spectrum of 48 colours which are available in Half Pans, 8ml tubes and 21ml tubes

• All Cotman Watercolour are classed as 'permanent for artists' use' with AA and A rating which aids the longevity of paintings; Easy to work with good transparency; Richly Pigmented Artist and Fine Range Watercolour ideal for use by Art & Design students, Professionals and Hobby Artists
• Conforms to ASTM D4236; Non-Toxic Paints; Yellow Ochre is a warm yellow. Originally made from natural iron oxides found in earth, it is one of the oldest pigments used by mankind. A synthetic version became available in the 1920s.

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