Red & Yellow is a White Rum drink with Grenadine Syrup, Lime Juice, and Lemon Lime Soda. It gets its name from the colors of the ingredients. The drink is tart and sweet with a citrusy flavor. The history of Red & Yellow is unclear, but it is believed to have originated in the Caribbean. The drink became popular in the United States in the 1970s and 1980s. It has since fallen out of popularity, but it remains a classic rum cocktail.