You probably know by now that kelly green aka emerald green is hot, hot, hot for both interiors and fashion. I think it would be a tricky colour to work with but can be remarkable if done well. My thoughts are that a very neutral palette would work best with this because I am definitely of the opinion that kelly green doesn't play nice with too many other colours.
Let's take a little tour of kelly green shall we...
If an entire room in kelly green seems too daunting why not try just a pop of kelly green with an accessory.
If you feel brave enough to paint some walls in kelly green here's a great option.
Jade Green (Benjamin Moore) 2037-30