There may be times when your poop looks more yellow than brown. This shade is also normal for many people. But if you have yellow poop that looks greasy and smells very bad, it may have too much fat.

Butter yellow is the color trend of 2025, ... “There’s versatility in the color. Yellow feels fresh and serves as a pop to foundational neutrals like brown, navy, and gray.

In infants, the main reasons for changes in stool color are age, diet, and health. The poop of newborns is almost black, while older infants tend to have yellow or brown poop.