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catppuccin/jupyterlab

A pastel Catppuccin color theme for JupyterLab, installable via pip or conda, with four flavors and customizable brand color.

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Last commit
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What is it?

Catppuccin for JupyterLab is a color theme that applies the Catppuccin pastel palette to the JupyterLab interface. It is packaged as a JupyterLab extension and can be installed with pip (catppuccin-jupyterlab) or conda from conda-forge.

The theme ships four flavors: Latte (light), Frappé, Macchiato, and Mocha (dark). Users pick a flavor from the Settings > Theme menu. It supports both JupyterLab v3 and v4.

The brand color, which defaults to mauve, can be changed to any Catppuccin color through the Settings Editor or a JSON configuration. An accent color (default green) can also be set, though it appears only rarely in the interface.

Key features

  • 01Four flavors: Latte, Frappé, Macchiato, and Mocha
  • 02Installable with pip or conda
  • 03Customizable brand color and accent color
  • 04Supports JupyterLab v3 and v4

Use cases

  • Giving JupyterLab a softer, low-contrast look for long coding or analysis sessions
  • Matching notebook editing to an existing Catppuccin theme across other tools

Topics

#jupyterlab#theme#dark-mode#catppuccin#pastel-colors#jupyter-extension#dark-theme#hacktoberfest#jupyterlab-extension#jupyterlab-theme

FAQ

What is jupyterlab?
A pastel Catppuccin color theme for JupyterLab, installable via pip or conda, with four flavors and customizable brand color. Catppuccin for JupyterLab is a color theme that applies the Catppuccin pastel palette to the JupyterLab interface. It is packaged as a JupyterLab extension and can be installed with pip (catppuccin-jupyterlab) or conda from conda-forge.
Is jupyterlab free to use? What license does it have?
jupyterlab is open source under the MIT license. Check the license terms before using it in commercial products.
Is jupyterlab still maintained?
Actively maintained. The last commit to jupyterlab was on Oct 20, 2026.
What can I use jupyterlab for?
Giving JupyterLab a softer, low-contrast look for long coding or analysis sessions Matching notebook editing to an existing Catppuccin theme across other tools
Where can I get jupyterlab?
The source code and installation instructions are on GitHub: https://github.com/catppuccin/jupyterlab

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