Raw Umber

Umber is essentially clay, and this variation on the PBr7 pigment is the lighter (un-burnt) version of this classic earth tone that originated in the Umbria region of Italy.

Pigment Classification: Natural Inorganic
Color Index Name: PBr7
Color Index Number: 77492
Chemical Description: Natural Iron Oxide containing Manganese
Opacity/Transparency: Semi-Opaque
Lightfastness Rating: 1
Permanency: Excellent
Munsell Notation Listing: Hue 3.0 Value 2. Chroma 1.3
Gloss Average: 9.6
Viscosity Range: 4000-15000 CPS
CIE L*a*b* Values: L*29.25 a*1.04 b*2.67
Tint Strength: 81