What color is Large Span Rolling Bridge (not Yet Realized) ?

Source Crayola® CSS3 CSS4
#a3acac
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#3e3c25
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#2b302c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#354b32
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9c8b7d
 
#9f8170
beaver
#808080
grey
#808080
grey