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In photography, painting, and other visual arts, middle gray or middle grey is a tone that is perceptually about halfway between black and white on a lightness scale; in photography, it is typically defined as 18% reflectance in visible light.

In the sRGB color space, middle gray is equivalent to 46.6% brightness. In 24-bit color, this is rounded to RGB value (119,119,119) or #777777.