What color is Border ?

Source Crayola® CSS3 CSS4
#30313f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#4d4d52
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b7b6a8
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7b7973
 
#757575
sonic silver
#808080
grey
#808080
grey