What color is Sidewall (France) ?

Source Crayola® CSS3 CSS4
#455968
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#12283b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6c7277
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey