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.

Payne's Gray is a dark blue grey made from a mixture of Ultramarine, Mars Black and sometimes Crimson. It was named after the 18th c. water-colourist William Payne who created the mixture and often recommended it to his students as an alternative to plain black.