Color code - Definition and Overview

A color code is a system for displaying information by using different colors. Color codes are often difficult or impossible for color blind people to understand.

25 Pair Color Code Chart

4-state traffic lights

Examples of color codes:

• electronic color code
• 25-pair color code
• navigation lights, sea marks and characteristic lights
• traffic signals
• fire extinguishers
• bottled gases
• electrical wiring
• jumper cables
• utility color codes
• hanky code
• U.S. Department of Homeland Security's Advisory System

Different countries have different gas color codes. See the Virtual Anesthesia Machine (http://vam.anest.ufl.edu)