What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#a8a79d
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#858177
 
#757575
sonic silver
#808080
grey
#808080
grey
#2c2722
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#646058
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#a76043
 
#a5694f
sepia
#a0522d
sienna
#a0522d
sienna