If you enjoy color and would want something very different, you might consider having a rainbow for the interior design and theme throughout your home. The rainbow offers hope, it’s cheerful and it can bring a smile to any guest. The rainbow is extremely popular in bedrooms of all ages. You can have a rainbow wall, rainbow decor and easily create a theme around the rainbow. Teens and children also love the rainbow and you’ll find it even popular in nurseries. Check out these 20 rainbow bedroom themed ideas.