A "raw" yellowish-brown color, or a "burnt" reddish-brown
2. the color of... [DOC] [TLE] Pigments through the Ages - Intro to the browns - Webexhibits [PAR] One of the first brown pigments was umber, a dark brown clay that contains iron 
... color with many natural (raw umber, raw sienna) and manmade (burnt umber, 
... using composite adjectives, such as red brown, yellowish brown, dark brown,... [DOC] [TLE] Sienna - 3IC Group of Companies [PAR] In its natural state, it is yellow-brown and is called raw sienna.