Color-coded

Color-coded is a description of anything that is marked by a color. For example, on the back of many computers, the ports are color-coded so that users can have an easier time connecting hardware to the computer. By having the ports color-coded, someone connecting their keyboard can know which of the two or more similar connections is correct. The picture shows an example of the PS/2 keyboard and mouse port on a computer that are color-coded. In the top example, the port is colored, and in the bottom example, a sticker with an arrow points to the port.

Tip

Many cables are also color-coded to help with matching the port. For example, a new computer user could identify the round purple keyboard plug connects to the round purple PS/2 port.

Note

Many of the modern connector ports (HDMI, USB, FireWire, Ethernet, etc.) are black and need to be identified by their shape rather than their color.

Computer connections and related colors

The list below includes many ports and their associated colors. These colors may be on the computer port, around the port, on the cable, or on the plug.

Keyboard (PS/2) - Purple

Mouse (PS/2)- Green

Serial - Cyan

Printer - Violet

Monitor (VGA) - Blue

Monitor (DVI) - White

Line out (headphones) - Lime Green

Line in (microphone) - Pink

Audio in - Grey

Joystick - Yellow

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