What color is Seal/stamp ?

Source Crayola® CSS3 CSS4
#362f28
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#5c544a
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen
#a4a09b
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7e7771
 
#757575
sonic silver
#808080
grey
#808080
grey