• 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.

Indigo is a deep blue pigment that can range from dark black to pale blue. Originally extracted from plants similar to blue woad used by the ancient Britons, it was synthesised in 1878 in Germany. It is one of the oldest blue pigments used universally.

Colour Number: 322
Lightfastness: Very Good
Opacity: O
Series: 1
Pigment Code: PB15,PB29,PBk7
Permanence: Permanent