Source Crayola® CSS3 CSS4
#b8b7a7
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#9b8d6f
 
#9f8170
beaver
#808080
grey
#808080
grey
#6e6e5f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#647680
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#8e9da0
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey