Mellow Yellow by Astrophil & Stella - A Journey Through the Stars and Serenity Mellow Yellow by Astrophil & Stella is a fragrance that captures the essence of stargazing and inner reflection. While men usually consider their solitude and eternal distance by looking at the stars, in the fiery heart of Stella the explosions of imaginative dances at the thought of Astrophil follow one another in a placid serenity, reflecting their glow in the enchanted mirror of the Milky Way.