Dr. Ph. Martin s Radiant Concentrated Water Color is produced in an extremely concentrated form to achieve the greatest possible brilliance. Each liquid color comes in an iconic 0.5 oz. (15 ml) glass bottle package with its own eyedropper. Dr. Ph. Martin s colors are primarily formulated for use in graphic arts work on paper surfaces intended for reproduction (e.g. cartooning, illustration, and other graphic arts), and are especially popular for airbrushing. Like all aniline dye base colors, they are fugitive when exposed to direct sunlight over time. For lightfast, archival watercolor use Dr. Ph. Martin s Hydrus fine art watercolor. Each set includes 14 different colors with a custom palette. 56 colors are available. Set C colors: 29C tapestry, 30C pumpkin, 31C burnt orange, 32C hyacinth blue, 33C Norway blue, 34C chartreuse, 35C jungle green, 36C tobacco brown, 37C ice pink, 38C tropic gold, 39C tropic pink, 40C ice yellow, 41C calypso green, 42C antelope brown.