Portland Orange is the color of light emitted by the phase of pedestrian crossing signals in the United States and Canada. The color was chosen to avoid confusion with regular traffic lights in conditions of poor visibility. Its chromaticity is specified by the Institute of Transportation Engineers in that body's technical standards, along with lunar white for the lights. Its application is stipulated in the U.S. federal ''Manual on Uniform Traffic Control Devices''. Various jurisdictional standards also require Portland Orange for signs. The color can be created with some Light-emitting diode, LEDs, and the ITE specifies the precision of its wavelength to 3 nanometers. In practice, the most Brightness, brilliant color of Tube (fluid conveyance), gaseous tubing is similar to Portland Orange.

International application

Portland Orange is generally not used outside the United States and Canada. In most of the world, red, or another specified color, is used for the symbol instead of Portland Orange.

References

Pedestrian crossing components Standards of the United States Standards of Canada {{Color-stub