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Hexachrome’s combination of CMYK plus orange and green inks is said to extend the gamut dramatically when compared to four-color process printing. In most areas of the color spectrum, it reportedly meets or exceeds the gamut of RGB, meaning that designs created on-screen can be reproduced in print. Moreover, instead of changing the press every time a new spot color is needed, the press stays configured for Hexachrome, which simulates them. Over 90 percent of the spot colors found in the Pantone Formula Guide can be matched using Hexachrome. Requirements include a six-color press, access to a six-color proofing system, and specially formulated Hexachrome inks.