For as long as many of us can remember, it's been red, yellow, green. Granted, in some places, you see a separate part of the light that shows protected greens or yellow or whatever. But generally, the 3-color combo is what we've known.
The DMC DeLorean was short lived car company that garnered huge fame because of the car's use in Back To The Future. The DeLorean is expected to make a comeback, soon, as an all electric vehicle.