What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#3e4439
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#587971
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#7a4943
 
#6e5160
eggplant
#a0522d
sienna
#a0522d
sienna
#757165
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#9f9b90
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey