What nail is perfect for summer? The answer is the rainbow nail. For the rainbow nail, the nails can feature any design but the art will be created with bright rainbow colors. It is a fantastic style that is perfect for the summer.The bright rainbow colors are very attractive for any nail shapes too. We love this colorful trend so we collect 25 amazing rainbow nail designs . Take a look and you will find square rainbow nails, coffin rainbow nails, sparkly nails, vivid rainbow designs and more. There is a vibrant nail idea to suit everyone! 1.Square Rainbow Nail Designs The square rainbow nail is very simple, and…