W&N ARTISTS' OIL COL - 178 COBALT BLUE (S4)

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 Number - 178
• Colour Series - 4
• Colour Vehicle Oil - Linseed Oil/Safflower Oil
• Lightfastness (ASTM) - I
• Permanence Rating - AA
• Pigment(s) - PB28
• Product Code - 1214178
• Transparency / Opacity - ST