Source Crayola® CSS3 CSS4
#181d2c
 
#000000
black
#000000
black
#000000
black
#5c5e66
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#393e4a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey