Light Blue by Dolce & Gabbana Cologne. Splash on a little Light Blue for a fresh, citrus scent that's perfect for casual occasions, such as a day of golf or an office party. Released by Dolce & Gabbana in 2007, Light Blue is designed for men who prefer refreshing and invigorating scents. Overtones of Sicilian mandarin form an airy base, complemented by deeper notes of juniper and musk. A hint of grapefruit gives Light Blue its unique and easily recognized signature scent.