“It’s a brilliant, blinding white light that is so radiant it contains everything within it. The all-consuming white light is a common theme among many participants at his retreat, Brierre says. But others report seeing different colors from “soft pink and gentle pastel” to “clean blue,” he continues. One piece of proof may lie in the startling, hyper-saturated blue-green that doesn’t exist in nature. “A flood of brilliant white light that has all the colors of the rainbow inside it .