Duolingo
A playful, high-energy gamified-learning interface anchored on Duolingo's signature vivid-green brand color (#00b086), paired with a white canvas and bold, chunky, rounded UI chrome. The automated measurement pass captured only a single color token from this page, so nearly every other structural value documented below is a derived estimate from visual inspection of the reference screenshots rather than an extracted measurement — see Known Gaps for the full list of caveats before treating this as production-ready.
Works with
Claude Code·Cursor·Codex·Gemini CLI·Copilot·v0·Lovable·Bolt·Windsurf·Replit
Color Palette
Accent
Neutrals
Typography
display-lg
40px · 800 · 1.15
The quick brown fox jumps
title-md
20px · 700 · 1.3
The quick brown fox jumps
body-md
16px · 400 · 1.5
The quick brown fox jumps
button
16px · 700 · 1
The quick brown fox jumps
Spacing & Shape
Spacing
| Name | Value | Preview |
|---|---|---|
| xs | 8px | |
| sm | 16px | |
| md | 24px | |
| lg | 32px | |
| section | 80px |
Border Radius
| Name | Value | Preview |
|---|---|---|
| sm | 8px | |
| md | 12px | |
| lg | 16px | |
| pill | 9999px |
FAQ
- What colors does Duolingo use?
- Duolingo's core palette includes #00b086, #00966f, #ffffff, #3c3c3c, #777777. The full color set with usage roles (canvas, ink, surfaces, accent, semantic) is documented in the Duolingo DESIGN.md.
- What font does Duolingo use?
- Duolingo's primary typeface is Nunito. The complete type scale (sizes, weights, line-height and letter-spacing per role), with an open substitute where the original is licensed, is documented in the DESIGN.md.
- What is the Duolingo design system?
- A playful, high-energy gamified-learning interface anchored on Duolingo's signature vivid-green brand color (#00b086), paired with a white canvas and bold, chunky, rounded UI chrome. The automated me…