Changes the image’s colors to the closest colors in the 1981 IBM PC’s 4-color CGA (Color Graphics Adapter) palette.
Background Color— The first of the 4 colors. This can be one of 16 pre-defined colors.
Palette— The remaining 3 colors. 6 sets are available.
Thanks to Brad Larson and Martinus Magneson for the GLSL implementation this node is based on.
Keywords: 1980s, 8-bit, IBM PC, banding, color graphics adapter, colorspace, contrast, filter, gif, quantize, raster, reduce, retro