DEV3 Free Tailwind Color Shade Generator — Source Code (React + Tailwind)

Source code of the DEV3 Tailwind Color Shade Generator, a 50 to 950 colour scale generator from one hex value with WCAG contrast hints and Tailwind v3, v4 and CSS variable export.

Free download: sign in to any DEV3 account and click Download ZIP. Try it live: https://dev3.tech/tools/tailwind-color-shade-generator 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

• HSL-based scale anchored to a chosen shade
• Contrast ratios against white and black with AA/AAA labels
• Tailwind v4 @theme, v3 config and :root variables
• Colour naming and slug helper

Tech stack

React 19, TypeScript, Vite, Tailwind CSS 4.

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.