GitHub brand system audit
GitHub runs a technical geometry on a neutral white canvas, set in Mona Sans. 9 of 9 contrast pairings pass WCAG 2.1 AA and the homepage scores 87/100 for technical SEO.
3 dimensions
- Brand consistency
- 100
- WCAG 2.1 contrast
- 100
- SEO readiness
- 87
01Brand palette
consistency 100/10002Typography
Body copy set in the brand’s text face, at reading size and comfortable measure.
- Headings
- Mona Sans
- Google Fonts
- Body
- Mona Sans
- Google Fonts
- Mono / data
- Monaspace Neon
- previewed with JetBrains Mono
03UI vibe & geometry
- Radius style
- Technical · 4-6 px
- Controls
- 6px
- Cards
- 12px
- Surface
- Neutral white · #FFFFFF / #F6F8FA / #D1D9E0
04WCAG 2.1 contrast
9/9 AA · 4/9 AAA| Pairing | Colors | Ratio | AA | AAA |
|---|---|---|---|---|
| AaBody text on surface | #1F2328 / #FFFFFF | 15.80:1 | Pass | Pass |
| AaSecondary text on surface | #59636E / #FFFFFF | 6.11:1 | Pass | Fail |
| AaPrimary as link/text on surface | #1F883D / #FFFFFF | 4.52:1 | Pass | Fail |
| AaButton label on primary | #FFFFFF / #1F883D | 4.52:1 | Pass | Fail |
| AaAccent on surface | #0969DA / #FFFFFF | 5.19:1 | Pass | Fail |
| AaSecondary on surface | #25292E / #FFFFFF | 14.63:1 | Pass | Pass |
| AaWhite on secondary | #FFFFFF / #25292E | 14.63:1 | Pass | Pass |
| AaDark mode: text on canvas | #F5F5F7 / #0B0E0E | 17.80:1 | Pass | Pass |
| AaDark mode: primary on canvas | #208D3F / #0B0E0E | 4.56:1 | Pass | Fail |
05SEO readiness
11 of 14 checks pass- warnTitle tag70 chars: “GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHub”
- warnMeta description186 chars
- passSingle H1 heading1 H1 element(s)
- passCanonical URLhttps://github.com/
- passHTML lang attributelang="en"
- passMobile viewportwidth=device-width
- passOpen Graph tags3/3 of og:title, og:description, og:image
- passTwitter / X cardsummary_large_image
- warnStructured data (JSON-LD)No JSON-LD found
- passHTTPSServed over HTTPS
- passIndexable (robots meta)No robots restrictions
- passXML sitemap376 URLs · https://github.com/sitemap_marketing.xml
- passFavicon / touch iconIcon link present
- passImage alt text100% of 22 images
github.com brand audit FAQ
What are GitHub's brand colors?
GitHub uses #1F883D as its primary color, #25292E as secondary and #0969DA as accent, on a #FFFFFF surface with #1F2328 text (snapshot from 10 Nov 2026).
Which fonts does github.com use?
Headings and body text are set in Mona Sans. Proprietary faces are paired with the closest free Google Fonts family for documents and previews.
Does github.com pass WCAG contrast checks?
9 of 9 key color pairings pass WCAG 2.1 AA and 4 pass AAA. The full PDF report suggests a passing replacement color for every pairing that fails.
What is github.com's technical SEO score?
The homepage scores 87/100 across 14 technical SEO checks, with 11 passing: title, meta description, H1, canonical, Open Graph, structured data, sitemap, HTTPS and image alt text among them.
How was this GitHub audit made?
SuiteAnvil StyleExtract read the public homepage of github.com, its CSS, logo, metadata and sitemap. Run the same audit on any URL for free and export the PDF report or Tailwind v4 tokens.
Take this audit further.
The full report adds prioritized findings, the tonal scale, dark-mode tokens and a developer appendix with Tailwind v4, CSS variables, .cursorrules and DESIGN.md.
Embed on your site (free)Link the GitHub press kit or show the live brand score badge.
A plain text link to the hosted press & brand kit, e.g. in your site footer or press page.
<a href="https://suiteanvil.com/kit/github.com">Press & Brand Kit</a>
The badge links to the audit and updates after each rescan. Score: mean of brand consistency and the share of WCAG 2.1 AA color pairings.
<a href="https://suiteanvil.com/audit/github.com"><img src="https://suiteanvil.com/api/badge/github.com.svg" alt="Brand and WCAG score for github.com by SuiteAnvil" height="20"></a>[](https://suiteanvil.com/audit/github.com)Snapshot of github.com’s public website from 10 Nov 2026, produced by SuiteAnvil StyleExtract. Values change as the site evolves. GitHub and its marks belong to their owner; SuiteAnvil is not affiliated with or endorsed by GitHub.
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