What color is Print, Design of a Fountain in a Grotto and Architectural Elements, 1740 ?

Source Crayola® CSS3 CSS4
#aaa69a
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#d1cec2
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#797569
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#545045
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen