What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#6f796f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#44574c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#949d97
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#696252
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#9f7f62
 
#9f8170
beaver
#808080
grey
#808080
grey