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Awesome Open Source


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Darcula theme for Jupyterlab. Modelled after the classic Intellij theme. Now with support for all JupyterLab 2.x and 3.x versions!



  • JupyterLab


With pip:

pip install theme-darcula

With mamba:

mamba install -c conda-forge theme-darcula

With conda:

conda install -c conda-forge theme-darcula

For Jupyterlab < 3

jupyter labextension install @telamonian/theme-darcula

Dark scrollbars

Enable dark scrollbars by clicking on Settings -> JupyterLab Theme -> Theme Scrollbars in the JupyterLab menus.


For a development install (requires JupyterLab 2.0.0 or later), do the following in the repository directory:

jlpm build:dev

To rebuild the package and the JupyterLab app:

jlpm build
jupyter lab build


This was the first JupyterLab theme that included dark scrollbars. As of JupyterLab 1.0, the dark scrollbars feature from this theme was incorporated into JupyterLab core, as part of @jupyterlab/application/style/scrollbar.css.

JupyterLab itself now supports dark scrollbars for dark themes in Chrome, Firefox, and Safari. See here and here for more info on how this is done.

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