The choice of a submarine's color might seem random, but it's far from that. There are several practical reasons to paint a submarine black.

Color has always played a vital role in watercraft operations. You may have noticed that many militaries around the world paint their ships gray , and numerous submarines feature black hulls .

The water color changed from mouthwash green to a bruised blue to storm-cloud gray, ... A submarine ride involves a lot of trust in the technology. At depths of 1,000 feet, ...