The light of the traffic light manufacturer can be divided into three colors

The traffic signal manufacturer says red, yellow, green three colors are the most suitable color for traffic lights? In the road traffic, the gap is still the pass-through is closely related to our life security. So it's used to indicate the color of these two words, both as simple to be seen and not to be seen. So, does the color of traffic light have this feature?

Dr Institute of metrology institute of optics and laser measurement Has side: "the primary choice, from the choice of traffic light color is, the color difference is very big of 3 kinds of color, the color, is to use a color ring, to put a color, the color ring on the color of the farther the distance, the greater the color difference, the more simple by our differences."

It can be seen from the color ring that red and green are in a symmetrical orientation, with a difference of about 180 degrees, so red and green are a group of colors that are not easily misread. This area of yellow, which happens to be in red and green, the base of these two regions, so yellow can also be guaranteed, can be with red and green, there is a distinct color difference.

Yellow is on the red and green side of the base area, while the other side of the base is blue, which means that the blue color is also very different from the red and green color. So, is blue also a good color for traffic lights?

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