W&N Cotman watercolour range offers comparatively economical selection of good-quality watercolours. They are affordable but uncompromising on quality and possess good transparency excellent tinting strength and good working properties.

Winsor Violet (Dioxazine) is a vivid mid-shade purple pigment. When undiluted, it can be used as a deep black. It is a transparent coal tar pigment and was introduced into the Winsor & Newton range in the 1960s.