What color is Sidewall (possibly USA) ?

Source Crayola® CSS3 CSS4
#3c4940
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#96ab84
 
#95918c
gray
#8fbc8f
dark sea green
#8fbc8f
darkseagreen
#5e7754
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#2b3030
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#bcbaab
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver