What color is Photograph, Exterior of Castel d'Orgeval, Rear Facade ?

Source Crayola® CSS3 CSS4
#7c7771
 
#757575
sonic silver
#808080
grey
#808080
grey
#a3a09a
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#4f4d47
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#2e2b26
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey