What color is Sidewall (France) ?

Source Crayola® CSS3 CSS4
#afafa5
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#817e76
 
#757575
sonic silver
#808080
grey
#808080
grey
#4e493e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey