Blue Curacao is a citrus-flavored liqueur that has a dominant orange flavor with a slightly bitter finish. It is made by infusing the peels of the Laraha citrus fruit, which is native to the island of Curacao, in alcohol to give the liqueur its citrusy aroma and taste. Blue Curacao is artificially colored with food coloring to give it its distinctive blue hue. The flavor of Blue Curacao is similar to Triple Sec, another popular citrus/orange-flavored liqueur. It is often used in tropical cocktails, such as the Blue Lagoon and Blue Hawaii. While some brands of Blue Curacao may taste sweeter than others, it is generally not considered to be overly sweet.