Source Crayola® CSS3 CSS4
#6f7685
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#a3b39a
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#af9a9e
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#51535f
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey