What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#77746a
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#58544c
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#c0bbaf
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#a39278
 
#9f8170
beaver
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#33322e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey