What color is Bound Print, Plans, Coupes, Elevations, Des...Maisons et des Hotels Construits a Paris... ?

Source Crayola® CSS3 CSS4
#adaa96
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#664c2f
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen