Source Crayola® CSS3 CSS4
#857e6f
 
#757575
sonic silver
#808080
grey
#808080
grey
#554c43
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#33291a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#cfc9c0
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#a8a9b2
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey