0 to 255 color

Quick answer：

0 to 255 color refers to the range of numeric values used in digital color systems to represent shades of gray and colors. In the RGB color model, which is widely used in digital displays, each of the red, green, and blue color channels can have a value from 0 to 255. This range allows for 16,777,216 possible colors. The concept is fundamental in image processing, computer graphics, and web design.