Cheyenne, Wyoming has a tribar of red, white, and green. Each bar is coded to a number based upon the rainbow, which is reflective of Longitude: 104 Degrees West. The stars in the center are coded to 41 Degrees North. Red is the 1st colour and green is the 4th colour, while white is equal to zero.
The central white pentagon indicates a Western Line of Longitude, while the upward green star indicates a Northern Parallel.