A colorful Day of the Dead skull, also known as a sugar skull or calavera, is typically decorated with intricate patterns and designs, often featuring flowers, hearts, and other symbols. The colors used in the skull's design are usually bright and bold, including shades of pink, blue, yellow, orange, green, and purple. Overall, a colorful Day of the Dead skull is a beautiful and artistic representation of the Mexican holiday's joyful and vibrant celebration of life and death.