What color is Border ?

Source Crayola® CSS3 CSS4
#a4adb1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#2a232a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7d8e93
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#505f65
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#303a42
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey