burnt sienna

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A reddish-brown pigment prepared by calcining raw sienna.
• noun A dark reddish orange.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun dark reddish brown colour, like that of roasted sienna.
• adjective Of a dark reddish brown colour, like that of roasted sienna.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a shade of brown with a tinge of red
• noun a reddish-brown pigment produced by roasting sienna