Source Crayola® CSS3 CSS4
#cfccc0
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#433d3b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#817a74
 
#757575
sonic silver
#808080
grey
#808080
grey
#b0a797
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey