Extract Design Language Extract the complete design language from any website URL. Generates 8 output files covering colors, typography, spacing, shadows, components, breakpoints, animations, and accessibility. Prerequisites Ensure designlang is available. Install if needed: npm install -g designlang Or use npx (no install required): npx designlang < url
Process Run the extraction on the provided URL: npx designlang < url
--screenshots For multi-page crawling: npx designlang
--depth 3 --screenshots For dark mode: npx designlang --dark --screenshots Read the generated markdown file to understand the design: cat design-extract-output/-design-language.md Present key findings to the user: Primary color palette with hex codes Font families in use Spacing system (base unit if detected) WCAG accessibility score Component patterns found Notable design decisions (shadows, radii, etc.) Offer next steps: Copy -tailwind.config.js into their project Import -variables.css into their stylesheet Paste -shadcn-theme.css into globals.css for shadcn/ui users Import -theme.js for React/CSS-in-JS projects Import -figma-variables.json into Figma for designer handoff Open -preview.html in a browser for a visual overview Use the markdown file as context for AI-assisted development Output Files (8) File Purpose -design-language.md AI-optimized markdown — the full design system for LLMs -preview.html Visual HTML report with swatches, type scale, shadows, a11y -design-tokens.json W3C Design Tokens format -tailwind.config.js Ready-to-use Tailwind CSS theme -variables.css CSS custom properties -figma-variables.json Figma Variables import format -theme.js React/CSS-in-JS theme object *-shadcn-theme.css shadcn/ui theme CSS variables Additional Commands Compare two sites: npx designlang diff View history: npx designlang history Options Flag Description --out Output directory (default: ./design-extract-output ) --dark Also extract dark mode color scheme --depth Crawl N internal pages for site-wide extraction --screenshots Capture component screenshots (buttons, cards, nav) --wait Wait time after page load for SPAs --framework Generate only specific theme ( react or shadcn )