Michael Harding 60ml Cobalt Blue Deep No.517

Cobalt Blue Deep is one of the most dependable and elegant blues imaginable; rich, atmospheric, and exceptionally lightfast. Possessing the qualities that have made cobalt pigments favourites among painters for generations, it delivers depth, harmony, and permanence in equal measure.

• Colour Index: PB74
• Drying Speed: Very Fast
• Transparency: Semi-Opaque
• Lightfastness: Excellent
• Oil Content: Low
• Tint Power: Average
• Toxicity: Non-Toxic
• ASTM D-4236: ??