What color is Border (France), ca. 1820 ?

Source Crayola® CSS3 CSS4
#5b6c65
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#252b2d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7a927f
 
#95918c
gray
#808080
grey
#808080
grey
#414d4c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#acbaaa
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey