← All extensions

Halcyon Theme

v0.2.3 · by Hichem Fantar · added 3 November 2026

🌊 A minimal, dark blue theme for Zed

Themes
Install in Forge SuperView the source

How to install

With Forge Super installed, the button above opens the app on this extension, where you press Install. Nothing is installed until you do.

You can also open the Extensions panel in the app and search for Halcyon Theme. The extension's id is halcyon.

Don't have Forge Super yet? Download it here.

README

From the extension's repository, written by its authors and not by Mentenaz. See the source.

demo

Installation via Zed

  1. Open Zed.
  2. cmd+shift+p and select zed: extensions
  3. Select Halcyon Theme and Install
  4. Select your Halcyon theme in the dropdown shown after hitting cmd+k, cmd+t

Manual Installation

Read the Zed User Themes Guide

Color Reference

Syntax Colors

ColorUsage
#c3a6ff #c3a6ffKeywords, constants, template literals
#ffd580 #ffd580Functions, classes, object literal keys
#ffae57 #ffae57Constants, operators
#bae67e #bae67eStrings, markdown headings
#5ccfe6 #5ccfe6Special keywords, classes, markdown code blocks
#a2aabc #a2aabcVariables, property names, tags

UI Colors

ColorUsage
#171c28 #171c28Workbench background
#1d2433 #1d2433Editor background
#2f3b54 #2f3b54Highlight, widgets, panels
#6679a4 #6679a4Dividers, subtle UI elements
#8695b7 #8695b7Status bar text, buttons, etc
#d7dce2 #d7dce2Active text, anything that should be white
#ffcc66 #ffcc66Accent, list tree titles, badges, etc
#bae67e #bae67eAddition highlights
#ef6b73 #ef6b73Deletion highlights, errors, warnings
#5ccfe6 #5ccfe6Modified highlights

Theming Reference

Zed User Theme Reference

Zed Theme Documentation

Zed Extensions Repository

Credits

Inspired by Halcyon, The VS Code theme