Head to head
Stop guessing which one. Put them side by side.
Up to 4 tools, same rows for each: what it is, what it really costs, the trap, and how to wire it up. The URL carries your picks — send it to anyone.
Radix ColorsFontshareGoogle Fonts
| Field | Radix Colorsradix-ui.com | Fontsharefontshare.com | Google Fontsfonts.google.com |
|---|---|---|---|
| What it is | Open-source colour system of 32 scales, each with 12 steps mapped to a specific job: steps 1-3 backgrounds, 4-6 interactive component states, 7-8 borders and separators, 9-11 solid fills, 12 accessible text. Ships matched light and dark scales plus alpha variants, as CSS or a JS object. | Free font service from the Indian Type Foundry offering a small, tightly curated set of contemporary families — Satoshi, General Sans, Clash Display, Cabinet Grotesk and similar — many with variable versions. Serve from their CDN or download the files and self-host. | Library of open-source typefaces, almost all under the SIL Open Font License 1.1 with a handful under Apache 2.0. Serve them from Google's CDN, self-host the files, or bundle them into a native app. Includes variable fonts and the Material Symbols icon set. |
| Category | Design tools, color & type | Design tools, color & type | Design tools, color & type |
| Cost tier | free | free | free |
| Pricing | Free · MIT licensed | Free | Free |
| Why builders pick it | Removes all guesswork about which grey a hover state should be. Because every scale shares the same step semantics, you can swap blue for violet across an entire app by changing one import. | The quickest way to stop looking like every other Google Fonts site. A handful of these faces read as expensive typography while costing nothing, which is exactly the trade a solo builder wants. | Zero-cost, zero-friction type that is legally safe in commercial products, including ones you sell. Self-hosting a subset via Fontsource or next/font also kills a render-blocking third-party request. |
| Watch out for | The step numbers are the API — step 9 means 'solid brand fill', not 'ninth darkest'. Wiring it into Tailwind needs a community plugin or hand-written theme keys; the package itself just gives you CSS custom properties. | The ITF licence covers personal and commercial use and embedding in sites and apps, but you may not resell or redistribute the font files themselves. Check the terms per family — some are free cuts of larger paid families. | Serving from Google's CDN sends visitor IP addresses to Google, which a German court ruled a GDPR violation — self-host the files if you have EU traffic. The OFL also bars selling the font files on their own and reserves certain names for modified versions. |
| How to wire it up | npm i @radix-ui/colors | not logged | npm i @fontsource/inter, or import from next/font/google |
| Editor's pick | No | No | No |
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# Tool comparison — Radix Colors vs Fontshare vs Google Fonts Source: Kbaise, a directory of tools that work with Lovable projects. Pick one and tell me why before writing any integration code. ## Radix Colors (radix-colors) - URL: https://www.radix-ui.com/colors - Category: Design tools, color & type - Cost: free — Free · MIT licensed - What it is: Open-source colour system of 32 scales, each with 12 steps mapped to a specific job: steps 1-3 backgrounds, 4-6 interactive component states, 7-8 borders and separators, 9-11 solid fills, 12 accessible text. Ships matched light and dark scales plus alpha variants, as CSS or a JS object. - Why builders pick it: Removes all guesswork about which grey a hover state should be. Because every scale shares the same step semantics, you can swap blue for violet across an entire app by changing one import. - Trap: The step numbers are the API — step 9 means 'solid brand fill', not 'ninth darkest'. Wiring it into Tailwind needs a community plugin or hand-written theme keys; the package itself just gives you CSS custom properties. - Wiring: npm i @radix-ui/colors - Full dossier: /api/public/tools/radix-colors ## Fontshare (fontshare) - URL: https://www.fontshare.com - Category: Design tools, color & type - Cost: free — Free - What it is: Free font service from the Indian Type Foundry offering a small, tightly curated set of contemporary families — Satoshi, General Sans, Clash Display, Cabinet Grotesk and similar — many with variable versions. Serve from their CDN or download the files and self-host. - Why builders pick it: The quickest way to stop looking like every other Google Fonts site. A handful of these faces read as expensive typography while costing nothing, which is exactly the trade a solo builder wants. - Trap: The ITF licence covers personal and commercial use and embedding in sites and apps, but you may not resell or redistribute the font files themselves. Check the terms per family — some are free cuts of larger paid families. - Full dossier: /api/public/tools/fontshare ## Google Fonts (google-fonts) - URL: https://fonts.google.com - Category: Design tools, color & type - Cost: free — Free - What it is: Library of open-source typefaces, almost all under the SIL Open Font License 1.1 with a handful under Apache 2.0. Serve them from Google's CDN, self-host the files, or bundle them into a native app. Includes variable fonts and the Material Symbols icon set. - Why builders pick it: Zero-cost, zero-friction type that is legally safe in commercial products, including ones you sell. Self-hosting a subset via Fontsource or next/font also kills a render-blocking third-party request. - Trap: Serving from Google's CDN sends visitor IP addresses to Google, which a German court ruled a GDPR violation — self-host the files if you have EU traffic. The OFL also bars selling the font files on their own and reserves certain names for modified versions. - Wiring: npm i @fontsource/inter, or import from next/font/google - Full dossier: /api/public/tools/google-fonts ## Rules 1. Prefer the free tier when no budget was stated, and say what the ceiling is. 2. Read the full dossier before integrating. 3. Fetch /api/public/models before writing any AI model ID.
Agents can fetch the same thing: GET /api/public/compare?slugs=radix-colors,fontshare,google-fonts