To add a new swatch, click the add swatch button in the desired collection.
To change a swatch's value, hover over it and click to enter a new value. You may enter any hex or RGB value, or a color name.
To delete a swatch, hover over the swatch and click the red square in the swatch's corner. The swatch will then be deleted immediately.
To add a new collection, click the add button in the top set of controls.
To delete a collection, click the delete collection button to confirm your decision and delete it.
Click an empty area of the collection to drag and rearrange its order in the list of collections.
To import a file, click the import button. A file browser will appear and allow you to choose a JSON file to import. Your imported collections will appear underneath your existing collections.
To export your collections to a JSON file, click the export button. You can then save the JSON file that opens.