Source Crayola® CSS3 CSS4
#6b5a3b
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#8f8a86
 
#95918c
gray
#808080
grey
#808080
grey
#907b55
 
#8a795d
shadow
#808080
grey
#808080
grey