Palette from a Picture

Drop a photograph or a screenshot, and get its dominant colours with the nearest ChromaSpot colour for each.

or drop a picture on this box, or paste it (⌘V).

A colour in a photograph is the colour in that light and that camera, not a measurement; use it to find and to talk, not to specify. A macOS screenshot is read through its own embedded display profile; a photograph through the browser’s conversion to sRGB.