Source Crayola® CSS3 CSS4
#6c5631
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#8f7b63
 
#8a795d
shadow
#808080
grey
#808080
grey
#2b1c39
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey