Why are school buses yellow in colour?

You must have noticed that every school bus has its school name written on it and is painted with yellow colour. Colours have their own importance. Even traffic lights have been installed with different colour lighting system, with the help of which traffic is controlled. In the same way the school bus has also given a colour and that is yellow. But the question is why most of the school buses are painted with yellow colour? Is there any scientific reason behind it? Let us study through this article.
Why only yellow colour?
We all know that the red colour has a maximum wavelength approximately 650 nm among the various components of white light. It does not scatter easily and also clearly visible from a distance. But the red colour is associated with the caution so, it would not be a good option to paint the school bus with red colour. Now the question arises, why then most of the school buses are painted with yellow colour?
Yellow colour gives different appearance