Format guide
GPL
GIMP Palette
GPL is GIMP's plain-text palette format. Each line: R G B Name (R/G/B as 0-255 integers). Trivially diff-able, scriptable, and human-readable, which is why open-source design tools (Inkscape, Krita) and many web color tools support GPL natively even when they don't read ASE/ACO.
How to open a GPL file
GIMP, Inkscape, Krita, Aseprite, MyPaint. Plain text in any editor, generate or edit them programmatically.
Primary use
Color palette sharing in open-source design workflows.
Convert other formats to GPL
Convert GPL to other formats
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