What color is Drawing, Decorative Project for Central Tondo with Apollo, Autumn and Winter, ca. 1780 ?

Source Crayola® CSS3 CSS4
#9f8b6e
 
#9f8170
beaver
#808080
grey
#808080
grey
#716050
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#48403b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey