The Ultra Violets (book 1)

The first book of the series was released on March 2013 which was written by Sophie Bell and Illustrated by Chris Battle under Razorbill- Penguin Books USA

About
What happens when four best friends find themselves splattered with a bubbling, genetically altering substance during a seemingly innocent sleepover in a secret, see-through, high-tech, futuristic lab? They develop superpowers, that's what! Iris, Cheri, Scarlet, and Opaline are destined to become. ..

THE ULTRA VIOLETS

IRIS: Visionary, artist, leader the glitter glue that holds the group together!

CHERI: A girly girl on platform rollerskates who's never met a rescue puppy or a nail polish she didn't immediately-and-madly love.

SCARLET: Short enough that you won t see her sneaking up behind you. Freckled enough that you might mistake her for innocent. But look out!

OPALINE: Loveable, huggable, supershy, sweet as pie. . . "or is she"?

Plot
The first series revolves around Iris, Cheri, Scarlet and Opaline, who got dunked with Heliotropium by their teenius babysitter, Candace during a sleepover at their Mothers top secret science lab