Where ordinary lighting fills a room with enough brightness to see clearly, mood lighting does the opposite — it dims the room and leaves shadows in, specifically to create a feeling. A flickering candle, a low floor lamp, or a wash of indirect light along a wall are its usual tools.
The color usually stays warm — orange, amber — and a subtle colored LED sometimes adds a single accent tone to push a particular mood, like a sunset glow or party energy. Brightness is often dimmed down to 10–30% of full output, and hiding the light source itself behind a shade or indirect reflection matters more than usual.
Mood lighting alone is too dim to read or cook by, so a common practice is to wire it on a separate circuit from a room's ambient and task lighting, so it can be switched in only when it's actually wanted.
When to use
Use it for evenings or when hosting — whenever the mood matters more than visibility. Wire it separately from ambient and task lighting so it can be switched on only when it's wanted.