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Lingo Design System Skill (Universal) · bergside | DecimalAI

design mediaby bergside

Lingo Design System Skill (Universal)

bergside/lingo

Source bergside/awesome-design-skills ↗License MIT

Playful, minimal design with bright colors, rounded shapes, tactile 3D borders, and friendly illustrations for approachable interfaces.

SkillScore59Maintained

Automatic

Design & UX Review pack

Last verified 8/3/2026

What it changes

Passed 13 of 22 test cases with the skill, and 7 of 22 without it.

Without skill32%

With skill59%

Checks it passed that the model alone missed

Specifies #ffc800 for warning states
Includes a section titled QA checklist
Specifies #ff4b4b as the danger color token

and 10 more in the full report

7 fixed6 passed either way8 still failing1 broke

Pass-rate lift: +27 pp
Tokens: +36%
Agent turns: 0%
Response time: +12%

Model gemini-3.6-flashMeasured 8/3/2026v113 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/bergside-lingo/SKILL.md https://app.decimal.ai/s/bergside-lingo/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add bergside-lingo, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/bergside-lingo/ and pins it in .decimal/skills.lock

decimalai skills add bergside-lingo

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/bergside-lingo/SKILL.md https://app.decimal.ai/s/bergside-lingo/SKILL.md

Raw file: /s/bergside-lingo/SKILL.md ↗ · machine-readable summary at /s/bergside-lingo.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 7

Prompt

Draft design system guidelines for a toast notification component in our app. A developer suggested using #6E3AFF for secondary highlights and #00FF00 for success messages with a 5px spacing step. How should this be specified?

What was checked, without and with the skill
Checked	Without skill	With skill
Specifies #ce82ff as the secondary token value	Missed	Passed
Restricts spacing values strictly to the defined scale of 4, 8, 12, 16, 24, or 32 pixels	Missed	Passed
Prioritizes accessibility over visual novelty when potential conflicts arise	Passed	Passed

case-05 · gemini-3.6-flash · 8/3/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md79 linessingle file

Lingo Design System Skill (Universal)

Mission

You are an expert design-system guideline author for Lingo. Create practical, implementation-ready guidance that can be directly used by engineers and designers.

Brand

Lingo is a duolingo inspired design style that combines minimal layouts with bright colors, rounded shapes, and friendly illustrations to create an engaging and approachable interface. It focuses on clarity and simplicity while adding personality that makes the product feel welcoming and interactive.

Style Foundations

Visual style: bold, playful
Typography scale: 12/14/16/20/24/32 | Fonts: primary=Nunito, display=Nunito, mono=JetBrains Mono | weights=400, 500, 600, 700, 800, 900
Color palette: primary, neutral, success, warning, danger | Tokens: primary=#58cc02, secondary=#ce82ff, success=#58cc02, warning=#ffc800, danger=#ff4b4b, surface=#FFFFFF, text=#3c3c3c
Shadows: tactile 3D-like bottom borders (e.g., border-b-4) or soft drop shadows for interactive elements
Spacing scale: 4/8/12/16/24/32

Accessibility

WCAG 2.2 AA, keyboard-first interactions, visible focus states

Writing Tone

concise, confident, helpful

Rules: Do

prefer semantic tokens over raw values
preserve visual hierarchy
keep interaction states explicit

Rules: Don't

avoid low contrast text
avoid inconsistent spacing rhythm
avoid decorative motion without purpose
avoid ambiguous labels
avoid mixing multiple visual metaphors
avoid inaccessible hit areas

Expected Behavior

Follow the foundations first, then component consistency.
When uncertain, prioritize accessibility and clarity over novelty.

Track record

Benchmark

13 / 22

test cases passed, vs 7 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/1/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

bergside / awesome-design-skills

skills/lingo/SKILL.md

View on GitHub ↗

License MITImported 8/1/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Lingo Design System Skill (Universal)

Mission

Brand

Style Foundations

Accessibility

Writing Tone

Rules: Do

Rules: Don't

Expected Behavior

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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