What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#343539
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#827c63
 
#8a795d
shadow
#808080
grey
#808080
grey
#dfdbc8
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey