Why is the taillight red and the Car Turn Signal yellow? You know what?

Why is the taillight red and the Car Turn Signal yellow? You know what?

Lighting is an indispensable part of driving. It has a clear division of labor, some provide lighting, some convey the driving dynamic language of the car owner, warn the car behind, and ensure the safety of the personnel in the car. Especially in lane changing, steering and other operations, lighting is needed. It is a very dangerous thing to change lanes and turn without lighting. It is not only illegal, but also may cause traffic accidents.
Why are the taillights red?
First of all, optically speaking, red light is the farthest band in the spectrum, so we can see red objects from afar. Moreover, due to the strong penetration of red light, it is also eye-catching in foggy and rainy days.
Secondly, from the psychological point of view, red has a warning effect, which can form an alarm hint in people's brain and make people more alert. Therefore, not only the taillights of cars, but also many warning or prohibition signs in life are red.
Therefore, the car designer will make the tail light red, in order to make the rear vehicles more easily aware of the front of the vehicle, and produce alert psychology, improve safety awareness.
Why is the car turn signal yellow?
First, yellow light is the most penetrating light, so it is not afraid to see in rainy and fog weather. After all, the turn signal is an important tool to predict the vehicle dynamics. In addition, like traffic lights, red lights stop, green lights, yellow lights should be careful, yellow lights can give people a reminder.