gray color value

Quick answer：

The gray color value refers to the numerical representation of gray shades in color theory. It is commonly used in design, graphics, and technology to specify the brightness or darkness of a gray color. Gray color values are often expressed in hexadecimal format, such as #808080 for a medium gray. In color models like RGB or CMYK, gray values range from 0 to 255 or 0 to 100% for each color component.