Consider the school bus. It could be painted literally any color: pink, bright green, orange, or even zebra-print. So, why pick yellow? Is it because it’s a cheerful hue that makes kids happy to go to school? See the kid’s faces? The main reason for picking yellow paint for school buses is... safety!  

If you look at the color closely, you'll notice that instead of being pure yellow, it's a totally different shade! It's a curious mixture of lemon-yellow and orange. But what about the scientifically proved fact that red is the one with the maximum wavelength? It doesn't get scattered easily, and that's why you can clearly see it from afar! On top of that, most people associate this color with caution. So, why not paint school buses red? 

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