2-bit color

4-bit color is a color depth that can allow for up to 4 grays, or 4 colors assigned by a color lookup table (CLUT). This is referred to as "4 colors" on classic Macintosh systems, and the standard by PC users.
==Color palettes==
When the cost of was high, early computers used color palettes to improve the appearance of graphics with a limited number of colors.
===Apple Computer===
Though Apple Computer's early Macintosh systems supported a 4-color or grayscale mode, most were capable of displaying more colors. The only system to ship with a maximum 2-bit display configuration was the PowerBook 150.Macintosh PowerBook 150: Technical Specifications, Apple Support. 2017-07-26. In classic Mac OS set to 4-color mode, 1 gray value can be substituted with a Highlight Color of the user's choice in the Appearance control panel.
===IBM===
IBM implemented the standard on their first .
===NeXT===
NeXT's first NeXTcube computer implemented support for a 2-bit grayscale megapixel display.
==References==
==See also==
*2-bit
==External links==
*2-bit color at the Adobe Wiki
* at Wikipedia
Category:Colors