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Gruvbox Dark Thunderbird
Gruvbox dark theme for Thunderbird. Originally written for Firefox. Using https://github.com/morhetz/gruvbox color palette.
Check out this theme for Firefox https://addons.mozilla.org/en-US/firefox/addon/gruvbox-dark-theme/
SpaceShaman Dark
Step into the dark side of the force and discover the secrets of the cosmos without the risk of eye damage!
Nu-grey-theme
A simple grey theme for Thunderbird. A solid colour hex #ccc background which may help reduce eye-strain.
Arc X Dark
A dark blue theme that compliments niivu's ARC X Windows 10 Theme from deviantart.
Dark Gold
A dark black and gray theme with gold/orange accents. A port of my Dark Gold theme for Firefox, with some tweaks specifically for Thunderbird.
Windows 11 Dark
The grey color from Windows 11 Dark (#202020)
It goes very well with BIB3 by Niivu (Windows 10/11 Theme).
Dark/Black theme (works with 115.*)
A simple black and white dark theme based on Luminous Matter.
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