Source Crayola® CSS3 CSS4
#3f4a33
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7e8b61
 
#8a795d
shadow
#808080
grey
#808080
grey
#c5c8bb
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver