External Connector Color Coding
Many connectors now use standard colors as shown below.
Connector
Analog VGA
Audio line in
Audio line out
Digital monitor / flat panel
IEEE 1394
Microphone
MIDI/Game
Parallel
PS/2 compatible keyboard
PS/2 compatible mouse
Serial
Speaker out/subwoofer
Right-to-left speaker
USB
Video out
SCSI, network, telephone, modem
Color
Blue
Light blue
Lime
White
Grey
Pink
Gold
Burgundy
Purple
Green
Teal or Turquoise
Orange
Brown
Black
Yellow
None
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