Google has become one of the best known, and most powerful companies in the world. Currently google is estimated to handle over 67% of the global traffic on the internet. The company is known for its unconventional approach to many aspects of business including the design of its massive data centers.
Miles of piping are required to cool the massive servers which generate a massive amount of heat. Google could have kept all this infrastructure the ordinary, boring, colors that one would often see in industry piping but this is not their style. Instead the company decided to coat the myriad of tubes and pipes in a brilliant display of primary colors.