What color is Sidewall (France) ?

Source Crayola® CSS3 CSS4
#6e7776
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#47545b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#2c3520
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#515537
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#91988f
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey