Source Crayola® CSS3 CSS4
#b2b3a1
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#797a73
 
#757575
sonic silver
#808080
grey
#808080
grey
#cfbab7
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver