Ultra-Black
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.
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.
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.
Source: Wikipedia "Ultra-Black" · CC BY-SA 4.0
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