Source Crayola® CSS3 CSS4
#b3b5a6
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#87857a
 
#757575
sonic silver
#808080
grey
#808080
grey
#cfbeb0
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver