What color is Border (Belgium) ?

Source Crayola® CSS3 CSS4
#d6d0c4
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#999389
 
#95918c
gray
#808080
grey
#808080
grey
#57524b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#746e65
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#332f2a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey