Web hosting Glossary

Definitions of color bit depth:

• The number of bits you have in which to describe a color. 8-bit color allows 256 colors, 16-bit allows 65,536, and 24-bit allows 16,777,216. 24-bit color is also known as true color. Generally, lower-end graphics cards allow fewer colors.
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• The simplest pixel has two options: black or white. (A pixel with two choices is known as a 1-bit image, or two raised to the power of one). Adding more bit information increases the number of color options. The number of potential color options for a pixel is called color bit depth. For example a 4-bit pixel would have 16 color options, and an 8-bit pixel would have 256 color options, while a 24-bit pixel would have 16,777,216 color options.
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