Search...Search plugins and themes...
⌘K
Sign in
  • Get started
  • Download
  • Pricing
  • Enterprise
  • Account
  • Obsidian
  • Overview
  • Sync
  • Publish
  • Canvas
  • Mobile
  • Web Clipper
  • CLI
  • Learn
  • Help
  • Developers
  • Changelog
  • About
  • Roadmap
  • Blog
  • Resources
  • System status
  • License overview
  • Terms of service
  • Privacy policy
  • Security
  • Community
  • Plugins
  • Themes
  • Discord
  • Forum / 中文论坛
  • Merch store
  • Brand guidelines
Follow us
DiscordTwitterBlueskyThreadsMastodonYouTubeGitHub
© 2026 Obsidian

Night404

40440461 downloads

High-contrast, science-based theme for late-night coding.

Add to Obsidian
Night404 screenshot
  • Overview
  • Scorecard
  • Updates1

A dark theme inspired by nighttime ambient lighting: the red glow of keyboard LEDs, the warm yellow of a classic desk lamp, and the dusty light blue of floating particles caught in direct light.

Theme Preview

🎉 Available on Obsidian Community Store!

Night404 is now officially available for free in the Obsidian community theme store!

👉 View Night404 on the Obsidian Community Store

You can install it directly from within Obsidian:

  1. Open Settings > Appearance
  2. Click Manage under the Themes section
  3. Search for Night404
  4. Click Install and then Use

🎨 The Palette & Inspiration

Night404 is designed to be easy on the eyes while keeping a distinct, atmospheric cyberpunk/hacker vibe.

Color Hex Inspiration
#0e0e0e Deep Night - The pitch-black room
#d3181c Keyboard LED - Striking, glowing red accents
#f7ecb9 Desk Lamp - Warm, comforting yellow for highlights
#8ea8c1 Floating Dust - The dusty blue of particles in the light
#eae8db Terminal Cream - Soft main text to prevent eye strain

🔤 Typography

To achieve the exact look seen in the screenshots, the following fonts are used:

  • Proto Nerd Font for the main interface and standard text.
  • BigBlueTerm Nerd Font Mono for inline code and code blocks.

Note: You will need to install these fonts on your system or add them via CSS snippets if you want an identical setup.

✨ Features

  • Fully compatible with Obsidian's modern UI and Live Preview.
  • Custom stylized blockquotes and callouts.
  • Neon-style Canvas elements.
  • Optimized for monospace coding fonts.

🚀 Manual Installation

Until the theme is officially available in the Obsidian community store, you can install it manually:

  1. Download theme.css and manifest.json from this repository.
  2. Open your Obsidian vault and go to .obsidian/themes/.
  3. Create a folder named Night404 and paste the two files inside.
  4. Open Obsidian Settings > Appearance > Themes and select Night404.
HealthExcellent
ReviewSatisfactory
About
Apply a nighttime cyberpunk palette: deep black, glowing red accents, warm lamp yellow, dusty blue tones and soft cream text for low eye strain. Style blockquotes, callouts and Canvas with neon visuals and monospace-friendly code; supports Obsidian's modern UI and Live Preview.
Details
Current version
1.0.0
Last updated
7 days ago
Created
10 months ago
Updates
1 release
Downloads
61
License
MIT
Report bugRequest featureReport theme
Author
404404404mon
GitHub404mon
  1. Community
  2. Themes
  3. Night404

Related themes

Minimal screenshot

Minimal

Wasp screenshot

Wasp

GitHub Theme screenshot

GitHub Theme

Things screenshot

Things

Shimmering Focus screenshot

Shimmering Focus

Cupertino screenshot

Cupertino

Baseline screenshot

Baseline

Prism screenshot

Prism

Willemstad screenshot

Willemstad

Sodalite screenshot

Sodalite