The best way to make your dining room more bright, cool and fun is to add some bright colors to it. There are several ways to do that. First 10 examples show how to do that by making walls bright. The next 10 examples show how to do that using colorful chairs. The last 15 examples show how to do that with different details like fabrics, curtains, table sets and so on.
Even if your dining room is a small area on the kitchen you still can implement all these solutions. Just don’t forget the colors that work well with the kitchen color palette.