What color is Border ?

Source Crayola® CSS3 CSS4
#242c33
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#92979d
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#727579
 
#757575
sonic silver
#808080
grey
#808080
grey