Source Crayola® CSS3 CSS4
#555b64
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#9c9eae
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#73768c
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#aca99f
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#313744
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey