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Yale Blue is the dark blue color used in association with Yale University. It is defined as the...

Yale Blue is the dark blue color used in association with Yale University. It is defined as the color of light with a 482-nm wavelength, yet more practically varies with use and history. University Printer John Gambell characterized the spirit of the color as "a strong, relatively dark blue, neither purple nor green, though it can be somewhat gray. It should be a color you would call blue." The hexadecimal value of the color is 0F4D92. The university administration defines Yale Blue as a custom color whose closest approximation in the Pantone system is Pantone 289, with Pantone 288 and Pantone 654 as related colors of higher and lower intensity. The Yale Corporation adopted blue as the university's color in 1894, after a half century during which green was associated with the university. The hue is one of the two official colors of the University of California, Berkeley and, along with Harvard University's crimson, of the University of Mississippi and Southern Methodist University. It was Duke University's official color from the 1880s until the 1960s, when the less-red Prussian blue was adopted. However, Pantone 289 remains an acceptable approximation.