What color is Drawing, Castel Sant'Angelo and Claude's Villa, Rome, Italy, December 1868 - April 1869 ?

Source Crayola® CSS3 CSS4
#957a7a
 
#9f8170
beaver
#808080
grey
#808080
grey
#755e5a
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#ac9ea7
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#3a2829
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8c8296
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey