What color is Drawing, Design for a Spot for The New Yorker, ca. 1940 ?

Source Crayola® CSS3 CSS4
#57554e
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#7e7b71
 
#757575
sonic silver
#808080
grey
#808080
grey
#373530
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#a9a799
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey