Cobalt Blue, Winsor & Newton Professional Water Colour

Cobalt Blue is a clean blue pigment. It was discovered in 1802 by French chemist Louis Thénard as an alternative pigment to the expensive Lapis Lazuli blue pigment.

• Colour Granulating Staining G
• Colour Number 178
• Colour Series 4
• Lightfastness (ASTM) I
• Permanence Rating AA
• Pigment(s) PB28
• Product Code 0102178
• Transparency / Opacity ST