W&N COTMAN WATERCOLOUR - 660 ULTRAMARINE

Ultramarine is a rich deep transparent blue. It was created by French chemist Guimet in 1828 as a synthetic but chemically identical replacement for the expensive pigment derived from Lapis Lazuli.

• Colour Granulating Staining - G
• Colour Number - 660
• Colour Series - 1
• Lightfastness (ASTM) - II
• Permanence Rating - A
• Pigment(s) - PB29
• Product Code - 303660
• Transparency / Opacity - T