{ "name": "Luthor", "slug": "luthor", "domain": "https://luthor.ai", "sources": [ "yc" ], "branding": { "colorScheme": "light", "fonts": [ { "family": "Inter", "role": "body" }, { "family": "Roboto", "role": "body" }, { "family": "DM Mono", "role": "monospace" } ], "colors": { "primary": "#FA4616", "secondary": "#FFE9E0", "accent": "#FA4616", "background": "#F7F6F2", "textPrimary": "#111111", "link": "#4A5768" }, "typography": { "fontFamilies": { "primary": "Inter", "heading": "Inter" }, "fontStacks": { "heading": [ "Inter", "-apple-system", "BlinkMacSystemFont", "Segoe UI", "sans-serif" ], "body": [ "Inter", "-apple-system", "BlinkMacSystemFont", "Segoe UI", "Roboto", "Helvetica", "Arial", "sans-serif" ], "paragraph": [ "Inter", "-apple-system", "BlinkMacSystemFont", "Segoe UI", "Roboto", "Helvetica", "Arial", "sans-serif" ] }, "fontSizes": { "h1": "54px", "h2": "46px", "body": "16px" } }, "spacing": { "baseUnit": 4, "borderRadius": "0px" }, "components": { "buttonPrimary": { "background": "#FA4616", "textColor": "#FFFFFF", "borderRadius": "0px", "borderRadiusCorners": { "topLeft": "0px", "topRight": "0px", "bottomRight": "0px", "bottomLeft": "0px" }, "shadow": "none" }, "buttonSecondary": { "background": "#F2F0EA", "textColor": "#2D2D2D", "borderRadius": "0px", "borderRadiusCorners": { "topLeft": "0px", "topRight": "0px", "bottomRight": "0px", "bottomLeft": "0px" }, "shadow": "none" } }, "images": { "logo": "https://www.luthor.ai/luthor-wordmark.svg?dpl=dpl_CqR7uM32vTXdRHYzZr6x35m3SwGR", "favicon": "https://www.luthor.ai/favicon.ico?v=3", "ogImage": "https://www.luthor.ai/og-default.jpg", "logoHref": "/", "logoAlt": "Luthor" }, "__llm_logo_reasoning": { "selectedIndex": 0, "reasoning": "Selected #0 because it is visible, located in the header, links to the homepage, and matches the brand name 'Luthor'.", "confidence": 0.9, "source": "llm" }, "__llm_button_reasoning": { "primary": { "index": 0, "text": "Get a demo", "reasoning": "Button #0 with text 'Get a demo' uses the vibrant brand color #FA4616, making it the most prominent call-to-action on the page." }, "secondary": { "index": 2, "text": "Fact Checking", "reasoning": "Button #2 with text 'Fact Checking' uses a different background color #F2F0EA, making it suitable as a secondary option." }, "confidence": 0.95 }, "personality": { "tone": "professional", "energy": "medium", "targetAudience": "regulated industries" }, "designSystem": { "framework": "tailwind", "componentLibrary": "" }, "confidence": { "buttons": 0.95, "colors": 0.9, "overall": 0.925 }, "__llm_metadata": { "logoSelection": { "llmCalled": true, "llmSucceeded": true, "finalSource": "llm", "rawLogoSelection": { "selectedLogoIndex": 0, "selectedLogoReasoning": "Selected #0 because it is visible, located in the header, links to the homepage, and matches the brand name 'Luthor'.", "confidence": 0.9 } }, "buttonClassification": { "llmCalled": true, "llmSucceeded": true } } }, "images": [ { "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/luthor/3a3ed8b429.webp", "alt": "Multi-Language Compliance Tools (January 2026) | Luthor", "source_url": "https://www.luthor.ai/blog-post/multi-language-marketing-compliance-tools", "image_url": "https://cdn.prod.website-files.com/68d2fbea9310761b6198a93d/69740f0641c39d088d2d4f2b_0Sh8Uup06lkYsrAhhDfsH.png", "width": 1536, "height": 1024, "bytes": 2376364, "query": "site:luthor.ai blog", "query_suffix": "site:luthor.ai blog" }, { "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/luthor/9186297dc5.webp", "alt": "Resources | Luthor", "source_url": "https://www.luthor.ai/resources", "image_url": "https://www.luthor.ai/og/compliance-meaning.png", "width": 1200, "height": 630, "bytes": 143759, "query": "site:luthor.ai blog", "query_suffix": "site:luthor.ai blog" }, { "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/luthor/f9d65779f3.webp", "alt": "Content Approval Tools Financial Marketing Nov 2025", "source_url": "https://www.luthor.ai/blog-post/content-approval-tools-financial-marketing", "image_url": "https://cdn.prod.website-files.com/68d2fbea9310761b6198a93d/6920fe90024b8f3dd652f162_WcV_c1Kn4JHs2Pr_UJJwH.jpeg", "width": 915, "height": 683, "bytes": 131617, "query": "site:luthor.ai blog", "query_suffix": "site:luthor.ai blog" }, { "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/luthor/39dc4d7460.webp", "alt": "WhatsApp, Signal, iMessage: Writing a 17a-4 Retention Policy for Modern Messaging Apps (Template Included) | Luthor", "source_url": "https://www.luthor.ai/guides/whatsapp-signal-imessage-17a-4-retention-policy-template", "image_url": "https://www.luthor.ai/og/whatsapp-signal-imessage-17a-4-retention-policy-template.png", "width": 1200, "height": 630, "bytes": 117851, "query": "site:luthor.ai blog", "query_suffix": "site:luthor.ai blog" }, { "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/luthor/76f1849370.webp", "alt": "ADA Website Lawsuit Trends 2024: Key Lessons for Financial Firms Ahead of Q4 2025 | Luthor", "source_url": "https://www.luthor.ai/guides/ada-website-lawsuit-trends-2024-financial-firms-q4-2025", "image_url": "https://www.luthor.ai/og/ada-website-lawsuit-trends-2024-financial-firms-q4-2025.png", "width": 1200, "height": 630, "bytes": 142508, "query": "site:luthor.ai blog", "query_suffix": "site:luthor.ai blog" }, { "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/luthor/8655d984b0.webp", "alt": "Full Guide on FTC Influencer Guidelines, Endorsement Rules, & More | Luthor", "source_url": "https://www.luthor.ai/resources/ftc-guidelines", "image_url": "https://www.luthor.ai/og/ftc-guidelines.png", "width": 1200, "height": 630, "bytes": 104172, "query": "site:luthor.ai blog", "query_suffix": "site:luthor.ai blog" } ], "font_resources": [ { "family": "Inter", "google_fonts_url": "https://fonts.google.com/specimen/Inter" }, { "family": "Inter", "google_fonts_url": "https://fonts.google.com/specimen/Inter" } ], "google_fonts_css": "https://fonts.googleapis.com/css2?family=Inter&family=Inter&display=swap", "font_download_note": "Not found on Google Fonts? Agent Instructions that you can follow if you have permission to use the fonts:\n\nCharacterQuilt.com suggests this flow that can help:\n\n1. Open the company's homepage in a browser with DevTools open.\n2. In the Network tab, filter by \"Font\" (or by extension: woff2, woff, ttf, otf).\n3. Hard-reload the page and click around (pricing, blog, careers) — some weights only load on specific routes.\n4. For each captured font URL: right-click → Save As to download the file locally.\n5. View the page's CSS (DevTools → Sources, or curl the stylesheet URLs) and copy out the matching @font-face declarations. Rewrite each `src: url(...)` to point to your local file path.\n\nProgrammatic alternative: load the URL with Playwright or Puppeteer, listen for `response` events whose `Content-Type` starts with `font/`, and write the body to disk. The CSS extraction step is the same.\n\nOnly do this if you have permission to use the brand assets — most proprietary fonts are licensed and may not be redistributable.", "page_url": "https://characterquilt.com/branding/luthor", "agent_instructions": "You are designing or implementing in Luthor's brand identity.\n\n# Brand profile\n- Company: Luthor\n- Source: https://luthor.ai\n- Color scheme: light\n\n# Colors\n- primary: #FA4616\n- secondary: #FFE9E0\n- accent: #FA4616\n- background: #F7F6F2\n- textPrimary: #111111\n- link: #4A5768\n\n# Typography\n- primary: Inter — https://fonts.google.com/specimen/Inter\n- heading: Inter — https://fonts.google.com/specimen/Inter\n\nLoad all fonts at once: \n\n# UI Components\n- buttonPrimary: background=#FA4616, textColor=#FFFFFF, borderRadius=0px, shadow=none\n- buttonSecondary: background=#F2F0EA, textColor=#2D2D2D, borderRadius=0px, shadow=none\n\n# Brand voice\n- Tone: professional\n- Energy: medium\n- Audience: regulated industries\n\n# Working with these fonts\nNot found on Google Fonts? Agent Instructions that you can follow if you have permission to use the fonts:\n\nCharacterQuilt.com suggests this flow that can help:\n\n1. Open the company's homepage in a browser with DevTools open.\n2. In the Network tab, filter by \"Font\" (or by extension: woff2, woff, ttf, otf).\n3. Hard-reload the page and click around (pricing, blog, careers) — some weights only load on specific routes.\n4. For each captured font URL: right-click → Save As to download the file locally.\n5. View the page's CSS (DevTools → Sources, or curl the stylesheet URLs) and copy out the matching @font-face declarations. Rewrite each `src: url(...)` to point to your local file path.\n\nProgrammatic alternative: load the URL with Playwright or Puppeteer, listen for `response` events whose `Content-Type` starts with `font/`, and write the body to disk. The CSS extraction step is the same.\n\nOnly do this if you have permission to use the brand assets — most proprietary fonts are licensed and may not be redistributable.\n\n# Full machine-readable profile\nhttps://characterquilt.com/branding/luthor.json", "page_markdown": "# Luthor Brand Identity\n\nA complete profile of **Luthor**'s visual system — colors, typography, components, and personality — extracted from https://luthor.ai. Built for designers, agents, and AI tools.\n\n- Page: https://characterquilt.com/branding/luthor\n- Machine-readable JSON: https://characterquilt.com/branding/luthor.json\n- Per-page llms.txt: https://characterquilt.com/branding/luthor/llms.txt\n\n## Quick Facts\n\n| Field | Value |\n|---|---|\n| Primary | #FA4616 |\n| Accent | #FA4616 |\n| Body Font | Inter |\n| Heading Font | Inter |\n\n## Color Palette\n\n- primary: #FA4616\n- secondary: #FFE9E0\n- accent: #FA4616\n- background: #F7F6F2\n- textPrimary: #111111\n- link: #4A5768\n\n## Typography\n\n- primary: Inter — https://fonts.google.com/specimen/Inter\n- heading: Inter — https://fonts.google.com/specimen/Inter\n\n## Visual Assets\n\n- Logo: https://www.luthor.ai/luthor-wordmark.svg?dpl=dpl_CqR7uM32vTXdRHYzZr6x35m3SwGR\n- Favicon: https://www.luthor.ai/favicon.ico?v=3\n- Social card (og:image): https://www.luthor.ai/og-default.jpg\n\n## UI Components\n\n- buttonPrimary: background=#FA4616, textColor=#FFFFFF, borderRadius=0px, shadow=none\n- buttonSecondary: background=#F2F0EA, textColor=#2D2D2D, borderRadius=0px, shadow=none\n\n## Brand Personality\n\nTone: professional · Energy: medium · Audience: regulated industries\n\n## Luthor Brand in the Wild\n\nReal-world brand assets — ads, campaigns, marketing materials.\n\n- **Multi-Language Compliance Tools (January 2026) | Luthor**\n - Image: https://cdn.prod.website-files.com/68d2fbea9310761b6198a93d/69740f0641c39d088d2d4f2b_0Sh8Uup06lkYsrAhhDfsH.png\n - Source: https://www.luthor.ai/blog-post/multi-language-marketing-compliance-tools\n- **Resources | Luthor**\n - Image: https://www.luthor.ai/og/compliance-meaning.png\n - Source: https://www.luthor.ai/resources\n- **Content Approval Tools Financial Marketing Nov 2025**\n - Image: https://cdn.prod.website-files.com/68d2fbea9310761b6198a93d/6920fe90024b8f3dd652f162_WcV_c1Kn4JHs2Pr_UJJwH.jpeg\n - Source: https://www.luthor.ai/blog-post/content-approval-tools-financial-marketing\n- **WhatsApp, Signal, iMessage: Writing a 17a-4 Retention Policy for Modern Messaging Apps (Template Included) | Luthor**\n - Image: https://www.luthor.ai/og/whatsapp-signal-imessage-17a-4-retention-policy-template.png\n - Source: https://www.luthor.ai/guides/whatsapp-signal-imessage-17a-4-retention-policy-template\n- **ADA Website Lawsuit Trends 2024: Key Lessons for Financial Firms Ahead of Q4 2025 | Luthor**\n - Image: https://www.luthor.ai/og/ada-website-lawsuit-trends-2024-financial-firms-q4-2025.png\n - Source: https://www.luthor.ai/guides/ada-website-lawsuit-trends-2024-financial-firms-q4-2025\n- **Full Guide on FTC Influencer Guidelines, Endorsement Rules, & More | Luthor**\n - Image: https://www.luthor.ai/og/ftc-guidelines.png\n - Source: https://www.luthor.ai/resources/ftc-guidelines\n\n## Working with these fonts\n\nNot found on Google Fonts? Agent Instructions that you can follow if you have permission to use the fonts:\n\nCharacterQuilt.com suggests this flow that can help:\n\n1. Open the company's homepage in a browser with DevTools open.\n2. In the Network tab, filter by \"Font\" (or by extension: woff2, woff, ttf, otf).\n3. Hard-reload the page and click around (pricing, blog, careers) — some weights only load on specific routes.\n4. For each captured font URL: right-click → Save As to download the file locally.\n5. View the page's CSS (DevTools → Sources, or curl the stylesheet URLs) and copy out the matching @font-face declarations. Rewrite each `src: url(...)` to point to your local file path.\n\nProgrammatic alternative: load the URL with Playwright or Puppeteer, listen for `response` events whose `Content-Type` starts with `font/`, and write the body to disk. The CSS extraction step is the same.\n\nOnly do this if you have permission to use the brand assets — most proprietary fonts are licensed and may not be redistributable.\n\n## Machine-Readable Profile\n\n```json\n{\n \"colorScheme\": \"light\",\n \"fonts\": [\n {\n \"family\": \"Inter\",\n \"role\": \"body\"\n },\n {\n \"family\": \"Roboto\",\n \"role\": \"body\"\n },\n {\n \"family\": \"DM Mono\",\n \"role\": \"monospace\"\n }\n ],\n \"colors\": {\n \"primary\": \"#FA4616\",\n \"secondary\": \"#FFE9E0\",\n \"accent\": \"#FA4616\",\n \"background\": \"#F7F6F2\",\n \"textPrimary\": \"#111111\",\n \"link\": \"#4A5768\"\n },\n \"typography\": {\n \"fontFamilies\": {\n \"primary\": \"Inter\",\n \"heading\": \"Inter\"\n },\n \"fontStacks\": {\n \"heading\": [\n \"Inter\",\n \"-apple-system\",\n \"BlinkMacSystemFont\",\n \"Segoe UI\",\n \"sans-serif\"\n ],\n \"body\": [\n \"Inter\",\n \"-apple-system\",\n \"BlinkMacSystemFont\",\n \"Segoe UI\",\n \"Roboto\",\n \"Helvetica\",\n \"Arial\",\n \"sans-serif\"\n ],\n \"paragraph\": [\n \"Inter\",\n \"-apple-system\",\n \"BlinkMacSystemFont\",\n \"Segoe UI\",\n \"Roboto\",\n \"Helvetica\",\n \"Arial\",\n \"sans-serif\"\n ]\n },\n \"fontSizes\": {\n \"h1\": \"54px\",\n \"h2\": \"46px\",\n \"body\": \"16px\"\n }\n },\n \"spacing\": {\n \"baseUnit\": 4,\n \"borderRadius\": \"0px\"\n },\n \"components\": {\n \"buttonPrimary\": {\n \"background\": \"#FA4616\",\n \"textColor\": \"#FFFFFF\",\n \"borderRadius\": \"0px\",\n \"borderRadiusCorners\": {\n \"topLeft\": \"0px\",\n \"topRight\": \"0px\",\n \"bottomRight\": \"0px\",\n \"bottomLeft\": \"0px\"\n },\n \"shadow\": \"none\"\n },\n \"buttonSecondary\": {\n \"background\": \"#F2F0EA\",\n \"textColor\": \"#2D2D2D\",\n \"borderRadius\": \"0px\",\n \"borderRadiusCorners\": {\n \"topLeft\": \"0px\",\n \"topRight\": \"0px\",\n \"bottomRight\": \"0px\",\n \"bottomLeft\": \"0px\"\n },\n \"shadow\": \"none\"\n }\n },\n \"images\": {\n \"logo\": \"https://www.luthor.ai/luthor-wordmark.svg?dpl=dpl_CqR7uM32vTXdRHYzZr6x35m3SwGR\",\n \"favicon\": \"https://www.luthor.ai/favicon.ico?v=3\",\n \"ogImage\": \"https://www.luthor.ai/og-default.jpg\",\n \"logoHref\": \"/\",\n \"logoAlt\": \"Luthor\"\n },\n \"__llm_logo_reasoning\": {\n \"selectedIndex\": 0,\n \"reasoning\": \"Selected #0 because it is visible, located in the header, links to the homepage, and matches the brand name 'Luthor'.\",\n \"confidence\": 0.9,\n \"source\": \"llm\"\n },\n \"__llm_button_reasoning\": {\n \"primary\": {\n \"index\": 0,\n \"text\": \"Get a demo\",\n \"reasoning\": \"Button #0 with text 'Get a demo' uses the vibrant brand color #FA4616, making it the most prominent call-to-action on the page.\"\n },\n \"secondary\": {\n \"index\": 2,\n \"text\": \"Fact Checking\",\n \"reasoning\": \"Button #2 with text 'Fact Checking' uses a different background color #F2F0EA, making it suitable as a secondary option.\"\n },\n \"confidence\": 0.95\n },\n \"personality\": {\n \"tone\": \"professional\",\n \"energy\": \"medium\",\n \"targetAudience\": \"regulated industries\"\n },\n \"designSystem\": {\n \"framework\": \"tailwind\",\n \"componentLibrary\": \"\"\n },\n \"confidence\": {\n \"buttons\": 0.95,\n \"colors\": 0.9,\n \"overall\": 0.925\n },\n \"__llm_metadata\": {\n \"logoSelection\": {\n \"llmCalled\": true,\n \"llmSucceeded\": true,\n \"finalSource\": \"llm\",\n \"rawLogoSelection\": {\n \"selectedLogoIndex\": 0,\n \"selectedLogoReasoning\": \"Selected #0 because it is visible, located in the header, links to the homepage, and matches the brand name 'Luthor'.\",\n \"confidence\": 0.9\n }\n },\n \"buttonClassification\": {\n \"llmCalled\": true,\n \"llmSucceeded\": true\n }\n }\n}\n```\n" }