What color is Scenic Panel, Les Portiques d'Athenes ?

Source Crayola® CSS3 CSS4
#4e4b41
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6e4f2f
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#9a813e
 
#9c7c38
metallic sunburst
#a0522d
sienna
#a0522d
sienna
#7e8d7e
 
#757575
sonic silver
#808080
grey
#808080
grey
#353e50
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey