Some vibrant, crazy colour combinations (courtesy theknot.com):

1. Tangerine and Wasabi
2. Peppermint and Aqua
3. Strawberry and Lime
4. Peony and Nickel
5. Burnt Orange and Sky Blue
6. Lemon and Lime
7. Wintergreen and Lavender
8. Gray and Lemon
9. Powder Blue and Plum
10. Eggplant and Gobstopper Pink
11. Pumpkin and Slate - LOVE THIS (my room's kinda this colour!)
12. Navy and Black
13. Sunflower and Sea Glass Blue
14. Canteloupe and Grapefruit
15. Navy and Fuschia
16. Canary and Cotton Candy Pink
17. Chocolate and Vanilla
18. Butter and Gold
19. Cherry and Mocha
20. Bubblegum and Grassy Green

I'd love to experiment with these sometime :)