Stool Colors What Poop Colors Mean & When to Worry Buoy Stool Colors and What They Can Tell You Your stool color can carry important clues about digestion, diet, or even disease. Most shades are harmless, but some changes signal the need for Melanosis Coli El Atlas Gastrointestinal gastrointestinalatlas.com The colour of your stool is one of the simplest yet most revealing clues about what's happening inside your body. Shades of brown generally reflect healthy bile flow, while paler tones may