Color Palette Importer is described as 'This application will import color swatches created for use in Adobe applications in palette that you can use in other applications such as "Preview", "Pixelmator", "Affinity", etc' and is an app in the Photos & Graphics category. There are six alternatives to Color Palette Importer for Mac, Windows, Linux and iPhone. The best alternative is cyotek color pallete editor, which is free. Other great apps like Color Palette Importer are SwatchBooker (Free, Open Source), Color Name Detector (Freemium), Palette of Patterns Importer (Paid) and Paletter (Paid).
Cyotek Palette Editor allows you to create and work with colour palettes, in a variety of formats such as JASC, GIMP and Adobe Color. Palettes can be created from scratch, imported from other palettes or created from images and can be edited with ease.
This tool allows you to create a palette of patterns that you can use in some external editor. Just drag a folder with patterns images to application window, edit the palette if necessary, and save it in the Color Panel.