Source Crayola® CSS3 CSS4
#5e6634
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#2d301b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8b8e75
 
#9f8170
beaver
#808080
grey
#808080
grey