What color is Drawing, Three Putti with Trumpets, Design for Lunette of the Sala delle Muse, Museo Pio-Clementino, Vatican ?

Source Crayola® CSS3 CSS4
#c3c1cc
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#8f8fa0
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#6d687b
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#514b5d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey