What color is Drawing, Cavalry Soldier Loading a Rifle, 1863–64 ?

Source Crayola® CSS3 CSS4
#52514b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7c786c
 
#757575
sonic silver
#808080
grey
#808080
grey
#c5c5b4
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver