• 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.

Dioxazine Purple 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.

Colour Number: 231
Opacity: T
Series: 1
Pigment Code: PV23
Granulation/staining: Staining
Permanence: Permanent