What color is Border (Belgium), 1700–1750 ?

Source Crayola® CSS3 CSS4
#c8c1a6
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#8c8675
 
#9f8170
beaver
#808080
grey
#808080
grey
#625c4f
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#3f3b32
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey