Organic, Natural Earth
|Colour Index||PBr 6|
|Drying Speed||Very Fast|
|Opacity Covering and Tint Power||Semi-Transparent|
|Oil Content||Average, Linseed|
|Conforms To||ASTM D-4236|
Raw Umber is one of the fundamental Earths used as an imprimitura pigment to draw out compositions as a ground, as many Rubens sketches prove. Depending on the degree of transparency it exhibits greenish undertones.