Rainbows are often associated with gay pride, but they also represent diversity and equality on a general level. They've been known to give people hope, and they are the silver lining of a storm. Rainbows are associated with so many positive, beautiful things. Plus, who doesn't love a little color? If you want to get an uplifting, inspirational tattoo but aren't really into the whole quote tattoo thing, a rainbow could be the answer. They are even a little psychedelic, which makes these ink ideas an interesting mix of funky and stunning.