Source Crayola® CSS3 CSS4
#372b1c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#ceccc0
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#a5a196
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6f5c3b
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen