Rainbows. We all love them....right? I mean, who wouldn't? They are bright and bold and they bring a smile to our faces. They also inspire a childlike sense of joy and optimism. So why not create some artwork with rainbows! Here, we picked a few of our many rainbow choices and we amped it up a bit to make it more playful by adding a polka dot background. Black makes a nice neutral color that doesn't compete with all of the rainbow colors but it is still bold enough to h