A "raw" yellowish-brown color, or a "burnt" reddish-brown
... changes to 
a clear reddish-brown (burnt sienna) and the raw yellowish umber turns to... [DOC] [TLE] Artists' Oil Colour - Winsor & Newton [PAR] Lemon Yellow Hue, 722 ... Burnt Sienna, 648 ... Brown Ochre, 647.