"White Light / Violet Sauce" is Namie Amuro's 29th solo single under the Avex Trax label. It was her first single since the release of her smash hit album Queen of Hip-Pop (2005). Unlike her two previous singles, "White Light / Violet Sauce" was released in one format. An altered version of "Violet Sauce" called "Violet Sauce (Spicy)" is featured on the album "Play". The other A-side, "White Light" was included in her compilation album "Best Fiction".