Download page Dark Mode.
Individual users can activate a dark mode to enhance their experience. You can select one of the two available color themes directly on your profile page.
Settings of BigPicture do not affect the appearance of Jira and its menu.
Available color themes:
Change the color theme
Click on your avatar in the top-right corner:
Navigate to the My settings > Preferences page.
Select a color theme from the drop-down and click "Save".