Definitions for "Color Depth"
Keywords:  bpp, depth, pixel, grayscale, bit
The number of bits used to store a pixel, resulting in the number of colors that can be displayed at one time. For example, 8-bit depth delivers 256 colors, 16-bit depth delivers 65'536 colors, and 24-bit depth delivers 16'777'216 colors.
The amount of data used to store the color of each pixel on the screen. Color depth is usually measured in bits per pixel or BPP. Common color depths in Windows are 8, 16, 24, and 32 BPP.
or bit depth, refers to the number of bits used to describe the color of a pixel. The color depth of 24-bit color would be 24 bits. Also see color map, direct color.