Color Active Tab by fstephens
A lightweight utility to customize the active tab's background and text color for better visual focus and accessibility.
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About this extension
Perfect for users who navigate many open tabs.
Color choosers to select background and font color for the active tab.
Can apply a classic Teal theme, a night mode of soft black & white or restore your browser's native system default theme.
You can choose a user interface color to compliment the active tab color. The history drop-down menu will save the last five colors chosen, and dynamically preview them on holding the mouse cursor over a choice. Clicking a choice will apply it.
So, you can create a simple custom theme on the fly.
NOTE: Due to the all or nothing nature of theming in Firefox, it is not possible to just color the active tab and retain the rest of a custom theme.
Color choosers to select background and font color for the active tab.
Can apply a classic Teal theme, a night mode of soft black & white or restore your browser's native system default theme.
You can choose a user interface color to compliment the active tab color. The history drop-down menu will save the last five colors chosen, and dynamically preview them on holding the mouse cursor over a choice. Clicking a choice will apply it.
So, you can create a simple custom theme on the fly.
NOTE: Due to the all or nothing nature of theming in Firefox, it is not possible to just color the active tab and retain the rest of a custom theme.
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More information
- Add-on Links
- Version
- 2.1
- Size
- 39.72 KB
- Last updated
- 6 days ago (Feb 13, 2026)
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- License
- Mozilla Public License 2.0
- Version History
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