What color is Print, The Grand Cañon of the Colorado ?

Source Crayola® CSS3 CSS4
#494540
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#66625a
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#8e897c
 
#95918c
gray
#808080
grey
#808080
grey
#b0a99a
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#2a2622
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey