What color is Print, Terrine, pl. 57 in Oeuvre de Juste-Aurele Meissonnier ?

Source Crayola® CSS3 CSS4
#c6c1b4
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#959081
 
#95918c
gray
#808080
grey
#808080
grey
#716c5d
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#4c4639
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey