Source Crayola® CSS3 CSS4
#a3b0b0
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#79858d
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#4c5a6a
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#313754
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#3e3d28
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey