Source Crayola® CSS3 CSS4
#8999a2
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#576778
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#cfc8b6
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#737c81
 
#757575
sonic silver
#808080
grey
#808080
grey