• Winsor and Newton Cotman Watercolours use fine art pigments with reduced pigment load than the Professional Watercolour range, making them an accessible choice while still uncompromising on quality.
• They are formulated to create uniform consistency, the transparent quality of Cotman Watercolours are perfect for new users.
• Rated AA and A for Excellent and Good lightfastness, Cotman Watercolours give artists the reassurance expected from a quality watercolour range.
• The range consists of 40 colours that possess good transparency, excellent tinting strength and good working properties.
• Winsor and Newton Cotman Watercolours are available in 8ml Tubes and Half Pans.

Prussian Blue is a deep blue colour. It was made by German chemist Diesbach around 1704 making it the first synthetic blue pigment. It quickly gained favour as an alternative to genuine Ultramarine.

Colour Number: 538
Lightfastness: Excellent
Opacity: T
Series: 1
Pigment Code: PB27
Permanence: Permanent