Reflectors can be white, red, blue, green, yellow, or orange. There may be others as well.
The average road reflectors in America are orange. Orange is the standard color b/c it is bright and can be highly reflective. Also, the color orange usually stands out on roads.
Red
Amber.
Amber
it's reflectors.....
are all opaque objects reflectors
reflectors
RED!
RED!
Clouds are the main reflectors of solar energy.
Lenses can be clear or orange but clear the bulb must be orange.
Vehicle reflectors are like the reflector on the back of bikes, or like a crossing guard wears, only for your vehicle.