Triple sec and Curacao are both made from oranges. Blue Curacao liqueur is native to Curacao Island and is produced from the bitter laraha oranges. It is marketed in various colors such as, orange, red, clear, blue and green; blue is the most popular color. While Triple sec finds its origins in France and is made from a combination of sweet and bitter oranges from Curacao and a blend of species from France. You can find them in clear, blue, or golden colors.