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### 4.3 Palette files

Palette files are used to specify the colors used in the emulators. They are made up of lines like the following:

    RED GREEN BLUE DITHER

where `RED`, `GREEN` and `BLUE` are hexadecimal values ranging from 0 to FF and specifying the amount of red, green and blue you want for each color and `DITHER` is a 4-bit hexadecimal number specifying the pattern you want when rendering on a B/W display.

You have to include as many lines as the number of colors the emulated machine has, and the order of the lines must respect the one used in the machine (so the N’th line must contain the specifications for color N - 1 in the emulated machine).

Lines starting with the `#` sign are completely ignored. This is useful for adding comments (such as color names) within the palette file.

For example, the default PET palette file (which has only two colors, 0 for background and 1 for foreground), looks like the following:

    #
    # VICE Palette file
    #
    # Syntax:
    # Red Green Blue Dither
    #

    # Background
    00 00 00 0

    # Foreground
    00 FF 00 F