Named after British painter William Payne (1760-1830), early formulas contained indigo, alizarin lake, and ivory black. Today more commonly a mixture of ultramarine blue and black, it is considered easier to control and less intense than black as a mixing color.

Pigment Classification: Mixture

Color Index Name: PB 29 / PBk 7

Color Index Number: 77007 / 77266

Chemical Description: Polysulfide of Sodium-Alumino Oxide Nearly Pure Amorphous Carbon

Opacity/Transparency: Semi-Transparent

Lightfastness Rating: I

Permanency: Excellent

Munsell Notation Listing: Hue 4.0 PB Value 1.75 Chroma 0.6

Gloss Average: 29.3

Viscosity Range: 400-1000 CPS

CIE L*a*b* Values: L*24.12 a*0.05 b*-2.24

Tint Strength: 74.88