Golden Fluid Acrylic Paynes Gray 32 oz

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. (Series 2) 

 Pigment Classification: Mixture
Color Index Name: PB29 / PBk7
Color Index Number: 77007 / 77266
Chemical Description: Polysulfide of Sodium-Alumino-Silicate / Nearly Pure Amorphous Carbon
Opacity/Transparency: Semi-Transparent
Lightfastness Rating: ASTM 1
Permanency: Excellent