What color is Drawing, Study for "Official for Winter Double Shell Lubricating Oil" ?

Source Crayola® CSS3 CSS4
#43403a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#ab5f2d
 
#b4674d
brown
#a0522d
sienna
#a0522d
sienna
#6f75b5
 
#7366bd
blue violet
#778899
light slate grey
#778899
lightslategrey
#9094a6
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#6d636b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey