Castor & Pollux Theme Collection

A collection of 38 premium themes for VS Code and Cursor, inspired by the twin stars of the Gemini constellation. Deep navy backgrounds, celestial color palettes, and carefully tuned contrast for long coding sessions.

Themes (38 total)

Navy & Gold (NEW)

Hand-crafted navy/blue themes with golden yellow highlights, semantic highlighting, and bracket pair colorization.

Theme	Background	Accent	Vibe
Castor Admiralty	`#0a1225` Deep navy	`#e8b931` Warm gold	Naval officer, teal-blue functions
Pollux Sovereign	`#060c1f` Near-black navy	`#ffb627` Electric amber	High contrast, dramatic
Castor Gilded Navy	`#08101e` Rich navy	`#d4a528` Antique gold	Refined, Nord-inspired strings

School Spirit

Theme	Background	Accent	Vibe
Castor Georgia Tech	`#001528` GT Navy	`#B3A369` Tech Gold	Official GT colors, teal functions

Celestial Blues

Theme	Background	Style
Castor Navy Dark	`#050d18`	Deep navy, constellation blue + cosmic purple
Pollux Cosmic Dark	`#0d1117`	Deep space, vibrant constellation colors
Castor Midnight	`#0a0e1a`	Midnight blue, rich contrast
Castor Deep Ocean	Deep ocean	Celestial sea blues
Castor Arctic	Arctic	Cool blues, crisp whites
Castor Azure	Azure	Bright sky aesthetics
Castor Cerulean	Cerulean	Warm cerulean tones
Pollux Sapphire	Sapphire	Rich sapphire blues
Pollux Indigo	Indigo	Deep indigo, purple undertones
Pollux Glacier	Glacier	Icy blue, frozen palette

Dark & Dramatic

Theme	Style
Castor Eclipse	Dramatic eclipse colors
Castor Twilight	Dusky twilight gradients
Castor Cobalt	Bold cobalt blue
Pollux Nebula	Cosmic purples and blues
Pollux Solar	Solar warmth, golden accents
Pollux Steel	Industrial steel tones
Pollux Aurora	Northern lights palette

Deep Navy (Zenn-inspired)

Theme	Style
Castor Zenn Dark	Zenn-inspired deep navy
Pollux Obsidian	Obsidian black-navy
Castor Slate	Slate gray-navy
Pollux Abyss	Abyssal dark blue
Castor Carbon	Carbon-dark base

Navy & Blue Series

Theme	Style
Castor Prussian	Prussian blue base
Pollux Mariana	Mariana trench depths
Castor Ink	Ink-dark navy
Pollux Baltic	Baltic sea tones
Castor Storm	Stormy blue-gray

Warm & Vibrant

Theme	Style
Castor Ember	Warm ember and fire tones
Castor Amethyst	Purple amethyst crystal
Castor Crimson	Deep crimson reds
Pollux Forest	Forest green depths
Pollux Copper	Warm copper metallic

Light Themes

Theme	Style
Material Light	Clean Material Design colors
Aurora Light	Soft, soothing daytime palette
Pollux CLI Light	Professional terminal-inspired light

Classic

Theme	Style
Nocturne Dark	Deep blue + pastel accents, nighttime coding
Castor CLI Dark	Vibrant terminal-inspired dark

Installation

Cursor

cp -r castor-pollux-theme ~/.cursor/extensions/

VS Code

cp -r castor-pollux-theme ~/.vscode/extensions/

Then reload and select your theme:

Ctrl+Shift+P (or Cmd+Shift+P on macOS)
"Developer: Reload Window"
Ctrl+Shift+P -> "Preferences: Color Theme"
Pick any Castor or Pollux theme

Features

38 themes: 35 dark, 3 light
Semantic highlighting and semantic token colors (Navy & Gold series)
Bracket pair colorization with distinct colors
Minimap, command center, and modern UI element styling
Comprehensive token scopes: decorators, template strings, CSS pseudo-classes, JSON properties, escape characters
Italic keywords and control flow for visual scanning
Consistent git decoration, diff, and error/warning colors
Designed for TypeScript, Python, Rust, Go, CSS, HTML, Markdown, and more

About

Named after the twin stars of the Gemini constellation. Castor and Pollux represent the Dioscuri of Greek mythology - duality and harmony, dark and light.

License

MIT

astomodynamics/castor-pollux-theme