A simple script to make one from another built with Node.
It isn't on npm yet, but you can clone it, do a npm install -g and try ase2swatches with some files as an argument. That should work.
- hughsk/adobe-swatch-exchange for reading ASE
- One-com/one-color for color manipulation
- cthackers/adm-zip for zip packing
Licensed under WTFPL. Do whatever you want. Additional components are included with their respective licenses.