Source Crayola® CSS3 CSS4
#6d777f
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#4e596a
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#cbcdb9
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver