Definitions for "Raw sienna"
Keywords:  sienna, earthy, siena, pigment, ferric
a yellowish-brown pigment made from untreated sienna
One of the native colors, raw sienna is an earthy yellow-brown made from clay containing iron and aluminum oxides, which is found in the area of Tuscany around Siena.
One of the brown earth colors used in the manufacture of pigmented stains and fillers. It is a mixture of ferric oxide and silica or silicates. Polarized Light-Raw Sienna Solvents Council Page 18 Technical Dictionary for Coatings
Keywords:  tan, dark, medium, color
a medium to dark tan color