The Color Theory series does not have a new book coming out soon. The latest book, Radiant (Book 2), was published in May 2023.
The first book in the Color Theory series, Vivid, was published in May 2022.
The Color Theory series primarily falls into the Christian Heroic Fantasy / Sword & Sorcery genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.