What color is Border (France) ?

Source Crayola® CSS3 CSS4
#2a2826
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6baaaa
 
#6699cc
blue gray
#5f9ea0
cadet blue
#5f9ea0
cadetblue
#3d5d5c
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#283a3a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#5c8b88
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey