DEV3 Color Palette from Image — Source Code (React + Tailwind)

Source code of the DEV3 Color Palette from Image, extracts dominant colours with seeded k-means++ clustering and exports HEX, RGB, HSL, CSS variables, SCSS, a Tailwind config or JSON.

Download: buy a licence and the ZIP is waiting in Account → Downloads. Try it live: https://dev3.tech/tools/color-palette-from-image shows the finished tool running.

What is in the download

• A standalone Vite + React + TypeScript + Tailwind CSS project: src/tool holds the tool, shared pieces sit beside it
• package.json with exact versions plus a lockfile, so npm ci works
• README.md (run, build, embed in Next.js or plain React) and an MIT LICENSE

What the code does

• k-means with k-means++ seeding on sampled pixels
• Click-to-pick eyedropper on the image
• HEX, RGB and HSL conversions
• CSS, SCSS, Tailwind and JSON exports

Tech stack

React 19, TypeScript, Vite, Tailwind CSS 4, jszip.

Install and customise

The How to install and How to use tabs list the steps. In short: unzip, npm ci, npm run dev, then copy the tool folder into your own app if you want to embed it.

Good to know

• A browser-only tool: there is no backend or database in the code.