Source Crayola® CSS3 CSS4
#525d60
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#8b8273
 
#9f8170
beaver
#808080
grey
#808080
grey
#747f84
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey