In my opinion neons can go from looking really cute, to looking really tacky very easily..

And by tacky I mean you either look like Nicki Minaj, or those girls at the beach who deck themselves out in 'SPRING BREAK 2K12!!" attire from those beach stores (don't hate me if your one of them). Adding a pop of neon to your outfit in the summer is really cute but too much makes you look like a walking pack of highlighters.
The shorts are Jonathan Simkhai and they would look adorable with the top below which is Marc by Marc Jacobs that matches the orange piping on the shorts. The orange dress is Ralph Lauren and the yellow Michael Kors which would look cute with a brown/nude colored shoe, I wouldn't recommend black because you'll either look halloween-y or like a bumble bee. The jeans that I LOVE are Current Elliot which include many different bright colors which could be matched with a lot...but I'd keep the top simple. Current Elliot has amazing printed jeans so hop on those if you already haven't! The necklace is from New look and the wrap watch is La Mer, neon jewelry has become really popular this year especially with friendship bracelets. The Proenza Schouler bag is bright enough that it should be the main piece of your look and not have to compete with anything else. Last but not least is the Rebecca Minkoff shoes that I absolutely love, need them need them need them.

What's your favorite way to wear neons?