Safety orange

Safety Orange (also known as Blazing Orange, Bright Orange, OSHA Orange, Hunter Orange or Caltrans Orange) is a dye. Safety orange is used to distinguish objects in your environment, especially in complementary contrast to the blue sky. (Blue is the complementary color of orange, so there is a strong contrast between the two colors.) The highly visible color is often used for hunting during gun season and also for quail hunting. Places like construction sites use this orange to protect others. ANSI Z535.1–1998 specifies how Safety Orange is defined in the following notation systems: