The colour of night sky or shadows, very dark, reddish, semi-opaque blue with strong tinting, also known as Indanthrone. A versatile alternative to Ultramarine yet not as overpowering as Phthalo.
Pigment Classification: Organic Color Index Name: PB60 Color Index Number: 69800 Chemical Description: Indanthrone Opacity/Transparency: Semi-Transparent Lightfastness Rating: 1 Permanence: Excellent Munsell Notation Listing: N/A Gloss Average: N/A Viscosity Range: 75-100 CPS CIE L*a*b* Values: N/A Tint Strength: N/A