Basement: Go dark and cave-like or do bright/light colors?

Contemplating what colors to do in basement. Right now it's white walls and dark grey floor. Wondering what others have done. Embrace the basement underground vibe or try to brighten it up. Pictures welcomed. TIA.

Bright. Mine is all white walls with plenty of light. You can always turn the lights off if you want.

We used a light, creamy yellow for most of the walls, with one moss-green wall to break things up. Light-colored carpeting and sand/pebble colored couch and chair. White for the ceiling and trim. I wanted it not to be dark (before the flood, it was completely covered in pine wood paneling - looked like the saloon from "Gunsmoke"). We're much happier with the bright/light colors down there.

I went with a loungy feel in the finished part of our basement. We have high ceilings and several windows, but also added recessed lights. Did the ceiling in faux tin style drop ceiling in black, dusk blue walls, pale gray painted floor. The room is used for working out and occasionally watching movies/hanging out, so the deeper tones work well.

Sorry, the link didn't work. If you google Maria Killam "How to Choose A Basement Colour," you can see what a Canadian paint color specialist advises.