What color is Print, Vessels and Roundels with Attributes of Mercury, Pan, Love, and Diana, ca. 1778–1782 ?

Source Crayola® CSS3 CSS4
#8b8c82
 
#95918c
gray
#808080
grey
#808080
grey
#4b4f4a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6b6d65
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey