"Run little Prometheus wannabe! The fate of the coloured world rest upon your gummy shoulders!"
In theory it's everything behind him that should get coloured, but let's say it's a bubble, m'kay ?
Something a bit different from my largely contrasted / somber tones works, for once. Also something not very procedural at all, as I'm too sick to think right now. The little splash is a quick ( and dirty ) pop fluid