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Rainbow Header Coloring

by albertoos
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Score: 48/100
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Description

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3
stars
497
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forks
53
days
2
days
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days
32
total PRs
4
open PRs
19
closed PRs
9
merged PRs
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total issues
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open issues
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closed issues
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commits

Latest Version

1.2.3
2 months ago

Changelog

Bug Fixes

  • add display() fallback for Obsidian < 1.13, set minAppVersion to 1.0.0, fix license references (90acae1)
  • default to patch bump when no releasable commits found (5bcab1b)
See all version on GitHub

README file from

Github

Obsidian Rainbow Header Coloring Plugin

Color your markdown headers (H1–H6) in Obsidian with customizable colors — in both the editor and reading view.

Features

  • Colormap mode — automatically assigns a distinct color to each heading level (H1–H6) from a built-in palette (HSV rainbow, cool, warm, greyscale)
  • User-defined mode — set an explicit font color and background color for each heading level independently, with optional bold and italic
  • Both views — colors apply in Live Preview, Source mode, and Reading view
  • Lightweight — no external runtime dependencies; color generation is built in (~50 lines of math)

Installation

Community plugin directory

  1. Open Obsidian and go to Settings → Community plugins.
  2. Select Browse and search for Rainbow Header Coloring.
  3. Select Install, then Enable.

Manual install (development / testing)

  1. Build the plugin: 
    npm install
npm run build
  2. Copy main.js, manifest.json, and styles.css to your vault: 
    <Vault>/.obsidian/plugins/rainbow-header-coloring/
  3. Reload Obsidian and enable the plugin in Settings → Community plugins.

Settings

Colormap mode

Setting Default Description
Mode colormap colormap cycles colors automatically; userDefined gives per-level control
Colormap hsv Color palette (hsv, cool, warm, greyscale)
Shades 20 Number of color steps in the palette (10–40)
Font opacity 1.0 Opacity of the generated header text color (0.0–1.0)
Background opacity 0.1 Opacity of the generated header background color (0.0–1.0)
Enable in editor true Apply coloring in Live Preview and Source mode
Enable in reading view true Apply coloring in Reading view

User-defined mode

Per heading level (H1–H6):

Setting Default Description
Font color One Dark Pro palette CSS color for the heading text
Background color One Dark Pro palette CSS color for the heading background
Enable background true Toggle background color on/off per level
Bold false Make the heading bold
Italic false Make the heading italic

Development

# Install dependencies
npm install

# Dev build with watch
npm run dev

# Production build
npm run build

# Lint
npm run lint

# Build and install into the test vault
npm run install-test

Test vault

A test-plugin-vault/ directory is included in the repo with 9 markdown files covering all edge cases (code blocks, YAML frontmatter, blockquotes, callouts, inline formatting, etc.). After running npm run install-test, open that folder as an Obsidian vault to do manual QA.

See CHANGELOG for release history.

Credits

License

MIT

Sponsors