DESIGN.md@assets/design-systems/duolingo designA
This file is byte-identical to the first copy the registry indexed, one of 3 copies on public GitHub. Same content hash, same audit grade.
DESIGN.md@assets/design-systems/duolingo is agent-read markdown (design) from phuetz/code-buddy.
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Design System Inspired by Duolingo > Category: Productivity & SaaS > Language-learning platform. Bright owl green, chunky shadows, gamified joy. ## 1. Visual Theme & Atmosphere Duolingo is gamification rendered as visual language. The interface is unapologetically bright, with **owl green** (`#58cc02`) as the brand primary and a chunky 4px bottom-shadow on every interactive element that reads like a 3D button waiting to be pressed. The page is white (`#ffffff`) with thick 2–3px borders in a deep gray (`#e5e5e5`) and the entire system reads like an iOS app from 2015 reborn with better hierarchy. Typography uses **Feather Bold** (a custom rounded sans) for chrome and **Mona Sans** (or Inter) for body. Display sizes are big and confident — Duolingo never whispers. Headings often carry the green underline-stroke or sit on a green pill, and the mascot Duo (a green owl) appears as an active illustration character, not a static logo. Shape language is friendly: 16–20px radii on cards, 12px on buttons, 9999px on chips and progress bars. Iconography is filled, rounded, and color-coded by skill — every lesson surface has an instantly identifiable color pairing. …
Read the whole file at its exact version.
How to install
mdr add phuetz/code-buddy/assets/design-systems/duolingo/DESIGN.md@git:20260705.52f72b6mdr add phuetz/code-buddy/assets/design-systems/duolingo/DESIGN.md@sha256:95e369814be3044ePin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_ndyh6wzrseg42oi2)
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Versions
Audit of the latest version
- pass: Size between 200 bytes and 200 KB (6929 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
phuetz/code-buddy · 41 stars · license NOASSERTION · pushed 2026-09-23 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ndyh6wzrseg42oi2 GET https://markdownregistry.com/api/v1/resolve?ref=phuetz/code-buddy/assets/design-systems/duolingo/DESIGN.md GET https://markdownregistry.com/api/v1/blob/95e369814be3044eff4c5a893fb42a6068e1c7df971f0f36905ab877751171a9
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