Shit-colored picture

Quick answer：

Shit-colored picture refers to images that have a color scheme predominantly based on the color of feces. Such images might be used for artistic, medical, or educational purposes. In art, they can be a form of conceptual or abstract expression. In medicine, they can be used to illustrate different types of stool colors and their significance. In education, they might be used to teach about digestive health or the human body.