What color is Border ?

Source Crayola® CSS3 CSS4
#323139
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6e6c68
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#bdbba7
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver