What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#46565a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#687076
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#848b8d
 
#95918c
gray
#808080
grey
#808080
grey
#262d3d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#3d3925
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey