Source Crayola® CSS3 CSS4
#575c6d
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#201b25
 
#000000
black
#000000
black
#000000
black
#3e3f4b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#757b8d
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#9498a2
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey