Design System inspired by GitHub

Code hosting. Mona blue accent, dark and light themes, developer-first.

Usage

npx getdesign@latest add github

Run this command from your project root, then ask your AI assistant to use DESIGN.md for UI work.

Installs

Bookmarked

Not an official GitHub design system. A curated starting point for building GitHub-like UIs with your AI coding agent.

Code hosting. Mona blue accent, dark and light themes, developer-first.

Preview

github.design.md

Brand System Catalog

DESIGN SYSTEM INSPIRATION OF GITHUB

Code hosting. Mona blue accent, dark and light themes, developer-first.

Explore the system View tokens

Color Palette

Code hosting. Mona blue accent, dark and light themes, developer-first.

Primary

GitHub Blue

#0969da

Brand color

Dark BG

#0d1117

Brand color

Surface

#161b22

Brand color

Border

#30363d

Brand color

Text

#c9d1d9

Brand color

Muted

#8b949e

Brand color

White

#f0f6fc

Brand color

Success

#3fb950

Brand color

Danger

#f85149

Brand color

Typography

A type system inspired by GitHub.

system-ui

system-ui, system-ui

Segoe UI

Segoe UI, system-ui

DISPLAY / 64px / 700 / 1.1

EVERYONE

H1 / 48px / 700 / 1.2

A disciplined editorial voice

H2 / 32px / 600 / 1.3

Section heading

BODY / 16px / 400 / 1.6

Body copy reads at the size and rhythm extracted from the source spec. Lorem ipsum dolor sit amet.

SMALL / 14px / 400 / 1.5

Small

CODE / 14px / 400 / 1.6

Code

Buttons

Buttons, cards, and inputs follow the brand's visual language with consistent use of the primary color palette and border-radius conventions.

Not detected on this URL

Cards

Card patterns inspired by GitHub.

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Components

Other component primitives mapped from the GitHub spec.

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Design System Inspired by GitHub

1. Visual Theme & Atmosphere

Code hosting. Mona blue accent, dark and light themes, developer-first.

Key Characteristics:

Dual theme support — dark (#0D1117) and light

Blue (#0969DA) accent for links and actions

Developer-first content-dense layouts

Code-centric with syntax highlighting

Octicon icon system throughout

2. Color Palette & Roles

Primary

GitHub Blue (#0969DA): Brand color
Dark BG (#0D1117): Brand color
Surface (#161B22): Brand color
Border (#30363D): Brand color
Text (#C9D1D9): Brand color
Muted (#8B949E): Brand color
White (#F0F6FC): Brand color
Success (#3FB950): Brand color
Danger (#F85149): Brand color

3. Typography Rules

Font Family

Display & UI: system-ui, -apple-system, Segoe UI

Hierarchy

Role	Size	Weight	Line Height
Display	64px	700	1.1
H1	48px	700	1.2
H2	32px	600	1.3
Body	16px	400	1.6
Small	14px	400	1.5
Code	14px	400	1.6

4. Component Stylings

Buttons, cards, and inputs follow the brand's visual language with consistent use of the primary color palette and border-radius conventions.

5. Layout Principles

Base unit: 4-8px
Max container: 1100-1200px
Consistent section spacing: 80-120px vertical

6. Depth & Elevation

Depth communicated through background color shifts, subtle shadows, or border treatments.

7. Do's and Don'ts

Do

Follow the established color palette strictly
Maintain typographic hierarchy
Use brand-consistent border-radius

Don't

Introduce off-brand colors
Use inconsistent spacing
Override the established visual language

8. Responsive Behavior

Breakpoint	Width
Mobile	<640px
Tablet	640-1024px
Desktop	>1024px

9. Agent Prompt Guide

Quick Color Reference

GitHub Blue: #0969DA
Dark BG: #0D1117
Surface: #161B22
Border: #30363D
Text: #C9D1D9
Muted: #8B949E

Typography

Font: system-ui, -apple-system, Segoe UI