Cobalt Blue Ultramarine Violet 79Viscosity Range: 18000- 22000 CPSCIE

79Viscosity Range: 18000- 22000 CPSCIE L*a*b* Values: L*25

Umber is essentially clay

In mixing if you find umbers too "smoky or atmospheric"

Can be very deep and moody and can tint subtly when mixed with white

and produced by Canson at his request in the early 20th century

Cobalt Blue Ultramarine Violet 79Viscosity Range: 18000- 22000 CPSCIEGround with the maximum amount of the pigment to give this normally translucent color more covering strength. A true spectrum blue, highly saturated, with no green or red bias. Series: 7CI Number: NACI Name: PB28Pigment Name: Oxides of Cobalt and AluminumLightfastness: ASTM I ExcellentOpacity: Semi OpaqueGrind: Very Fine