Source Crayola® CSS3 CSS4
#212738
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#516276
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#b1b1a3
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey