What color is "Hans Sloane" Botanical Plate (One of Twelve) Plate, 1754–1758 ?

Source Crayola® CSS3 CSS4
#c6bdb6
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#b2a06c
 
#bab86c
olive green
#bdb76b
dark khaki
#bdb76b
darkkhaki
#868566
 
#8a795d
shadow
#808080
grey
#808080
grey
#6a4f4f
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#d7c978
 
#c5e384
yellow green
#deb887
burlywood
#deb887
burlywood