What color is Sidewall (France) ?

Source Crayola® CSS3 CSS4
#494b5c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#827a7b
 
#757575
sonic silver
#808080
grey
#808080
grey
#758294
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#5c6779
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#665a5d
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey