The color of someone's urine says a lot about their health. It is a known fact that pee changes color depending on how hydrated you are, and because of a certain type of medical conditions. According to Business Insider, "As our bodies process food and remove toxins from our system, we get rid of minerals and chemicals in our urine. Depending on how concentrated your pee is -- which is based on how hydrated you are -- it'll be darker or lighter."