Coloring is good for your mental health:

Relieving stress

Coloring is a healthy way to relieve stress. It calms the brain and helps your body relax. This can improve sleep and fatigue while decreasing body aches, heart rate, respiration, and feelings of depression and anxiety.

Although coloring isn't the ultimate cure for stress and anxiety, sitting down for a long coloring session holds great value. As you color, pay attention to your breathing rhythm, ensuring steady, full breaths from your diaphragm, and tune into your heart rate periodically if you can.