Atmos Gallery
Colour read from light and atmosphere. Drop in an image and Atmos Gallery reads a palette from its mood: the light it carries, not only its dominant colours.
It is a free desktop web tool, made by KauStudio. There is nothing to sign up for. The palette is extracted on your own machine: the image is read into a canvas, clustered in OKLCH and discarded, and the full-size image is never uploaded. Only a small thumbnail leaves, and only when you ask for a palette to be named. Palettes are kept in your own browser and can be exported as Tailwind theme values, W3C design tokens, Figma variables, CSS custom properties or an .ase swatch file.
The tool itself needs JavaScript to run, and a desktop-width window. This page is what is left without it.
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