Roucou, also known as achiote, is a natural dye and food coloring extracted from the seeds of the tropical annatto tree. This vibrant red-colored spice has a subtle flavor and aroma, and is used in many traditional Caribbean and Latin American dishes. Some synonyms for roucou include annatto, chote, axiote, bijol, and atsuete. These alternative names for the spice are commonly used in different regions of the world where roucou is popularly used as a culinary ingredient. Additionally, roucou is also used in skincare and cosmetic products due to its natural pigment and antioxidant properties.