Capri is a deep sky blue that falls between cyan and blue on the color wheel. The color of Capri in general takes its name from the color of the Mediterranean Sea surrounding the island of Capri off the coast of Italy, home to several villas of the Roman Emperor Tiberius, including his imperial residence in his later years, Villa Giovis . . The Capri color in particular takes its name from the color of the Blue Grotto on the island of Capri. how it looks on a sunny day. Today the island of Capri is a popular resort island for tourists. The color of Capri’s spider web is called Deep Sky Blue, which is another name for this color. Capri was first used as a color name in English in 1920.