What color is Plate Depicting the Crypta Neapolitana (Grotta di Posillipo), from a "Topographical" Dinner or Dessert Service ("A Vedute") Plate, ca. 1810–1820 ?

Source Crayola® CSS3 CSS4
#9a9b8e
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#635c5d
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#ac9a75
 
#9f8170
beaver
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#857868
 
#8a795d
shadow
#808080
grey
#808080
grey
#49495b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey