Claude Skill

brandkit

Generate a complete, accessible brand design system from a brief — primitive → semantic → component DTCG tokens (color, type, spacing, radius, shadow, motion), light + dark, plus a single theme.css — verified for WCAG. Use when the user wants a from-scratch brand/design foundatio

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plugin87/ux-ui-agent-skills 1406 145 forks MIT Updated 10d ago

Part of plugin87/ux-ui-agent-skills — 18 skills

Install

skills CLI npx skills add https://github.com/plugin87/ux-ui-agent-skills/tree/main/.claude/skills/brandkit

Claude Code

claude plugin marketplace add https://llmmart.ai/marketplace.json && claude plugin install plugin87-ux-ui-agent-skills@llmmart

Git git clone https://github.com/plugin87/ux-ui-agent-skills.git

The skills CLI installs just this skill, for any of its supported agents. Claude Code installs the whole plugin87/ux-ui-agent-skills collection as a plugin from our marketplace. Git is the plain clone.

Skill manifest

Skill: Brand Kit

Stand up the foundation (one token system everything renders from) before any screen. Get this right and every page stays consistent and themeable from one place.

Steps

Brief Inference (mandatory) — name the industry, audience, the one mood adjective, and motion depth (taste/design-taste.md → Brief Inference). Pick an anchoring archetype from taste/aesthetic-systems.md.
Primitives — generate the brand color ramp in OKLCH (11 shades, consistent chroma) + a neutral ramp; verify the 500 shade ≥ 4.5:1 on white (text) and 600 ≥ 3:1 (UI) per .claude/rules/tokens-and-color.md → Color Generation.
Semantic layer — map roles to primitives: action.primary/-hover/destructive, text.{primary,secondary,on-action,link}, surface.{page,card,raised}, border.{default,strong}, feedback.{success,warning,error,info} — and the dark overrides (designed, not inverted).
Scales — Major Third type scale + composite text styles, 4px spacing scale, radius tiers, elevation, and tokens/motion.json-style durations/easings.
Emit the DTCG tokens/*.json (3-tier) + a single theme.css (the one shared source, [data-theme="dark"] overrides). Optionally feed the token-build pipeline (token-build skill) for other platforms.

Verification (definition of done)

python3 scripts/validate_tokens.py — valid JSON, all aliases resolve.
python3 scripts/validate_contrast.py — required text/action/border pairs pass WCAG AA in light AND dark; border.strong ≥ 3:1.
python3 scripts/validate_theme_refs.py — every component var(--…) resolves to the theme.
One theme, no per-page palettes; destructive = danger token (not primary); zero hardcoded values.

Output is a verified token foundation — the measurable part is provable (run npm run verify). Brand "feel" still benefits from a human review against taste/design-taste.md.

Files (ux-ui-agent-skills)

SKILL.md 2.3 KB

---
name: brandkit
description: Generate a complete, accessible brand design system from a brief — primitive → semantic → component DTCG tokens (color, type, spacing, radius, shadow, motion), light + dark, plus a single theme.css — verified for WCAG. Use when the user wants a from-scratch brand/design foundation, a new palette + type system, or a themeable token kit for a product.
invocation: user
---

# Skill: Brand Kit

Stand up the *foundation* (one token system everything renders from) before any screen. Get this right and every page stays consistent and themeable from one place.

## Steps
1. **Brief Inference (mandatory)** — name the industry, audience, the one mood adjective, and motion depth (`taste/design-taste.md` → Brief Inference). Pick an anchoring archetype from `taste/aesthetic-systems.md`.
2. **Primitives** — generate the brand color ramp in **OKLCH** (11 shades, consistent chroma) + a neutral ramp; verify the 500 shade ≥ 4.5:1 on white (text) and 600 ≥ 3:1 (UI) per `.claude/rules/tokens-and-color.md` → Color Generation.
3. **Semantic layer** — map roles to primitives: `action.primary`/`-hover`/`destructive`, `text.{primary,secondary,on-action,link}`, `surface.{page,card,raised}`, `border.{default,strong}`, `feedback.{success,warning,error,info}` — and the **dark** overrides (designed, not inverted).
4. **Scales** — Major Third type scale + composite text styles, 4px spacing scale, radius tiers, elevation, and `tokens/motion.json`-style durations/easings.
5. **Emit** the DTCG `tokens/*.json` (3-tier) + a single `theme.css` (the one shared source, `[data-theme="dark"]` overrides). Optionally feed the token-build pipeline (`token-build` skill) for other platforms.

## Verification (definition of done)
- `python3 scripts/validate_tokens.py` — valid JSON, all aliases resolve.
- `python3 scripts/validate_contrast.py` — required text/action/border pairs pass WCAG AA in **light AND dark**; `border.strong` ≥ 3:1.
- `python3 scripts/validate_theme_refs.py` — every component `var(--…)` resolves to the theme.
- One theme, no per-page palettes; destructive = danger token (not primary); zero hardcoded values.

> Output is a verified token foundation — the measurable part is provable (run `npm run verify`). Brand "feel" still benefits from a human review against `taste/design-taste.md`.