Source Crayola® CSS3 CSS4
#6e7a7a
 
#757575
sonic silver
#808080
grey
#808080
grey
#aca899
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#8a8382
 
#95918c
gray
#808080
grey
#808080
grey
#c9adaf
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#484f51
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey