What color is Sidewall (USA) ?

Source Crayola® CSS3 CSS4
#7b867d
 
#757575
sonic silver
#808080
grey
#808080
grey
#364b4c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#556866
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey