To complement the range of Artists' Watercolour, Winsor & Newton also produce the Cotman range. This 40 colour range is made to the normal quality standards but costs are kept to an economical level by replacing some of the more costly pigments with less expensive alternatives.

This range of colours has good transparency with excellent tinting strength and good working properties.

Intense Blue ( Phthalo Blue)

Colour Index:PB15
Transparency: Transparent
Permanence: A - Permanent
Lightfast: Very good
Notes: Staining Colour