I'm not keen on beige but "greige" or grey are OK as background colours. Our home had a lot of beige carpet when we moved in, I'm looking forward to replacing it!
I've always loved sharp, deep yellow, not as a wall colour in a living room but in a bathroom. My last bedroom, a really sunny dual aspect room, was a beautiful sky blue. My old, sunny, living room was mid-blue (similar to F&B Dix blue) and was very restful.
I also love tan, the colour of oak floor boards.
Do any of you see numbers as colours? I always have, 3 is pale blue and 2 is pale lemon, I think there's a name for this!