Palettes

An 8-bit indexed image has a palette of up to 256 colors that the image can contain. Color information is not stored for each pixel, but rather just a reference to which color in the palette.

Palettes

• Exact (if 256 or fewer colors)
• Adaptive (weighted based upon colors in document)

Not relevant today, but in the web's history:

• Web Palette (216 Web Safe Colors)
• System
  • Windows
  • Macintosh