De Kuyper Curacao Blue is a vibrant blue liqueur known for its sweet, citrusy flavor. It's made with a blend of orange peel and spices, and it's typically used to add color and flavor to cocktails. De Kuyper Curacao Blue is a versatile liqueur that can be used in a variety of drinks, including margaritas, daiquiris, and blue Hawaii cocktails. It's also a popular ingredient in non-alcoholic drinks, such as mocktails.