What color is Border ?

Source Crayola® CSS3 CSS4
#abb2bb
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#212b2f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6d7479
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#271918
 
#000000
black
#000000
black
#000000
black
#44484b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey