The tool samples thousands of pixels and groups them with k-means clustering. Each swatch is the average of one group, sorted by how much of the picture it covers.

Adobe Swatch Exchange, a palette format that Illustrator, Photoshop, InDesign and Affinity apps can import.

No. All the work happens in your browser and the picture never leaves your device.

You should not: the clustering starts from a fixed seed, so the same image and count always give the same palette.

The tool works with 2 to 8, which covers most design work. For more detail, run it on cropped parts of the image or drag the dots to the colours you need.

Yes, free and unlimited, with no account.

VectorSVG makes 15 new palettes every day from colour-theory recipes for 14 moods, names every colour and adds them to the library under the tool. They are free to use as PNG, SVG or HEX codes.

Yes. Open a palette and choose Edit in the generator: its colours load into Create your own, where you can lock, change and export them.