What color is Border ?

Source Crayola® CSS3 CSS4
#383a47
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#d0d2c1
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#83807a
 
#757575
sonic silver
#808080
grey
#808080
grey