Site not found · GitHub Pages

<!-- Generated by ExtractVibe — https://extractvibe.com/brand/deron201020.github.io -->
<!-- Extracted: 2026-10-29T20:17:36.007Z | Schema: v1 | Quality: 100/100 -->
---
version: alpha
name: "Site not found · GitHub Pages"
description: "This brand presents a straightforward and highly informative persona, typical of a developer-centric platform. It communicates with a playful yet serious tone, focusing on clear, instructional guidance for users encountering a common technical issue."
colors:
  surface: "#f1f1f1"
  on-surface: "#000000"
  link: "#4183c4"
typography:
  display-lg:
    fontFamily: "Helvetica Neue"
    fontSize: "60px"
    fontWeight: "100"
    lineHeight: "60px"
    letterSpacing: "-1px"
  body-md:
    fontFamily: "Helvetica Neue"
    fontSize: "16px"
    fontWeight: "400"
spacing:
  base: "2px"
  xs: "1px"
  sm: "2px"
  md: "4px"
  lg: "6px"
  xl: "8px"
---

# Site not found · GitHub Pages — Design System

## Overview

The "Site not found" GitHub Pages brand embodies a developer-first, instructional, and playfully serious persona. It operates as a digital Sage, guiding users through technical hurdles with clear, direct communication, while maintaining an underlying innocence that makes complex issues approachable. This design system prioritizes functionality and clarity, mirroring the pragmatic aesthetics of platforms like GitHub, Netlify, and MDN Web Docs. It is built for developers by developers, ensuring that every design choice facilitates understanding and problem-solving.

This brand is not about flashy aesthetics or elaborate user interfaces. It actively avoids marketing fluff and decorative elements that might distract from its core purpose: informing and assisting. The design is minimal by intent, focusing on essential information delivery. It rejects any visual complexity that would impede quick comprehension, instead favoring a clean, uncluttered presentation that aligns with the direct, no-nonsense approach characteristic of the developer community. The emotional register is one of helpful authority, offering solutions without condescension, and a subtle, reassuring playfulness that acknowledges the user's potential frustration.

**Key characteristics:**

- Vibe — developer-first, instructional, minimal, playful-serious, direct, accessible
- Archetypes — The Sage, The Innocent
- Comparable to — GitHub, Netlify, Vercel, MDN Web Docs
- Design era — flat-2.0
- Emotional tone — informative-helpful
- Target audience — Developers, technical users, and anyone attempting to publish web content via GitHub Pages.
- Visual energy — 3/10 (calm/understated)

## Colors

The brand's color philosophy is defined by its absence of a primary color and its reliance on a single surface color, #f1f1f1. This choice signals an extreme commitment to minimalism and neutrality, ensuring that content takes absolute precedence. The light gray surface provides a clean, unobtrusive canvas, allowing text and functional elements to stand out without visual competition. This restrained palette reinforces the brand's developer-first, instructional character, aligning with the utilitarian aesthetics of comparable platforms where clarity and function supersede decorative color schemes.

### Light mode

| Role | Hex | Name |
|------|-----|------|
| background | `#f1f1f1` | White Smoke |
| text | `#000000` | Black |
| link | `#4183c4` | Steel Blue |

## Typography

The typography system leverages Helvetica Neue, a choice that communicates immediate professionalism, clarity, and universal accessibility. Its clean, sans-serif lines ensure maximum legibility across all devices and contexts, reinforcing the brand's instructional and direct communication style. Hierarchy is established through size, weight, and spacing rather than elaborate font variations, maintaining a consistent and understated visual language. This approach aligns with the brand's minimal and developer-first ethos, prioritizing functional readability over expressive typographic flourishes, ensuring information is conveyed efficiently and without ambiguity.

### Font families

| Family | Role | Source | Weights |
|--------|------|--------|---------|
| Helvetica Neue | body | system | 400 |
| Helvetica Neue | heading | system | 100 |

### Type scale

| Role | Family | Size | Weight | Line height | Letter spacing |
|------|--------|------|--------|-------------|----------------|
| Display | Helvetica Neue | 60px | 100 | 60px | -1px |
| Body | Helvetica Neue | 16px | 400 | — | — |

### Conventions

- Heading case — lowercase

## Layout

- Base spacing unit — `2px`

## Do's and Don'ts

### Do

- Utilize Helvetica Neue 100 weight for headings, presented in lowercase case.
- Use Helvetica Neue 400 weight for body text, ensuring high readability.
- Maintain a light mode background of #f1f1f1 with #000000 text for maximum contrast and clarity.
- Employ a simple, instructional, and informative copy style, avoiding overly complex vocabulary.
- Adhere to a minimal visual design, characterized by the absence of box-shadows and gradients.
- Structure content with clear, direct statements, such as 'There isn't a GitHub Pages site here.'
- Ensure all spacing is based on a 2px base unit for consistent layout and element relationships.
- Prioritize accessibility by maintaining a clear distinction between background and text colors.

### Don't

- Do not use uppercase or title case for headings; all headings must be lowercase.
- Avoid the use of emojis or exclamation marks in any copy, maintaining a matter-of-fact tone.
- Do not incorporate box-shadows on any elements; the design should remain flat.
- Refrain from using gradients; the color palette should be solid and monochromatic.
- Do not use complex jargon without clear explanation, keep language accessible.
- Avoid any decorative visual effects that add depth or texture, such as complex borders or background patterns.
- Do not introduce vibrant or rich color palettes; stick to a limited, functional color scheme.
- Do not use serif fonts; the brand relies exclusively on sans-serif system fonts.

*Source — merged*

## Voice

### Tone (1–10 scale)

| Axis | Score | Lean |
|------|-------|------|
| Formal ↔ Casual | 4/10 | formal |
| Playful ↔ Serious | 9/10 | serious |
| Enthusiastic ↔ Matter-of-fact | 9/10 | matter-of-fact |
| Respectful ↔ Irreverent | 2/10 | respectful |
| Technical ↔ Accessible | 5/10 | balanced |

### Copywriting style

- Avg. sentence length — 15 words
- Vocabulary — simple
- Jargon — some
- CTA style — instructional and informative

### Sample copy

> 404

> There isn't a GitHub Pages site here.

> If you're trying to publish one, read the full documentation to learn how to set up GitHub Pages for your repository, organization, or user account.

## Logos

| Type | Variant | Format | URL | Confidence |
|------|---------|--------|-----|------------|
| primary | — | svg | [link](https://img.loadlogo.com/deron201020.github.io) | 100% |
| primary | color | — | [link](#) | 85% |
| primary | color | — | [link](#) | 85% |

## Sources

- Official brand guidelines — https://github.com/coder/presskit
- Live brand page — https://extractvibe.com/brand/deron201020.github.io
- Raw JSON — https://extractvibe.com/api/brand/deron201020.github.io
- DESIGN.md (this file) — https://extractvibe.com/api/brand/deron201020.github.io/design.md
- Extracted — 2026-10-29T20:17:36.007Z
- Generator — ExtractVibe vv1
- Quality score — 100/100

npx @google/design.md lint DESIGN.md
npx @google/design.md export --format tailwind DESIGN.md