Source Crayola® CSS3 CSS4
#d4cec2
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#a5a39b
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7a7973
 
#757575
sonic silver
#808080
grey
#808080
grey