What color is Drawing, Wallpaper Design ?

Source Crayola® CSS3 CSS4
#aaaaa1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#473e3a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#747b73
 
#757575
sonic silver
#808080
grey
#808080
grey
#4a5776
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue
#282a2e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey