What color is Border ?

Source Crayola® CSS3 CSS4
#231218
 
#000000
black
#000000
black
#000000
black
#bbc2c6
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#303137
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#565d63
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey