# How to access 3DSlicer style (dark/light)

**URL:** <https://discourse.slicer.org/t/how-to-access-3dslicer-style-dark-light/38150>\
**Category:** Development\
**Tags:** python\
**Created:** [September 1, 2024, 10:10pm UTC](https://discourse.slicer.org/t/how-to-access-3dslicer-style-dark-light/38150 "2024-09-01T22:10:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Kuan\_Yi\_Wang](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kuan_yi_wang/32/77797_2.png) [@Kuan\_Yi\_Wang](https://discourse.slicer.org/u/Kuan_Yi_Wang)\
**Post date:** [September 1, 2024, 10:10pm UTC](https://discourse.slicer.org/t/how-to-access-3dslicer-style-dark-light/38150/1 "2024-09-01T22:10:47Z")

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I am currently helping in developing an extension to 3DSlicer in Python. How can I access the style of 3DSlicer? Without using the OS style since a user may have manually changed the theme for 3DSlicer only.

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [September 1, 2024, 10:12pm UTC](https://discourse.slicer.org/t/how-to-access-3dslicer-style-dark-light/38150/2 "2024-09-01T22:12:25Z")

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Please follow [these steps](https://slicer.readthedocs.io/en/latest/developer_guide/python_faq.html#how-to-find-a-python-function-for-any-slicer-features) to find what Python command correspond to switching the style in the application settings. If you get stuck then describe how far you got and we’ll help out.