burnt sienna vs ruby

burnt sienna

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

• dark reddish brown colour, like that of roasted sienna. 

ruby

• Of a deep red colour. 

• A deep red colour. 

• A ruby hummer, a South American hummingbird, Clytolaema rubricauda. 

• A red bird-of-paradise, Paradisaea rubra. 

• A pronunciation guide written above or beside Chinese or Japanese characters. 

• A clear, deep, red variety of corundum, valued as a precious stone. 

• The tincture red or gules. 

• To make red; to redden.