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About: Ultra-Black     Goto   Sponge   NotDistinct   Permalink

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Ultra-black is one of the darkest shades of the color black. An ultra-black substance is defined as reflecting less than 0.5% of the light that hits its surface. This color is part of the natural coloration of some species of birds-of-paradise, butterflies, and fishes, and ultra-black components are used in telescopes, cameras, and solar panels to improve the efficiency of light capture.