What color is "Asiatic Plants" Plate, mid-19th century ?

Source Crayola® CSS3 CSS4
#b7bbc7
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#9398a7
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#777880
 
#757575
sonic silver
#808080
grey
#808080
grey