What color is Border ?

Source Crayola® CSS3 CSS4
#23222a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#bdc0a7
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#9a9780
 
#95918c
gray
#808080
grey
#808080
grey
#54524e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#757262
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey