Add-ons
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Vioorange Warm
Warm, cozy, bright theme in violet and orange, ideal for winter or autumn.
Screenshots: https://imgur.com/NdKQA43 | https://imgur.com/uXtZpPw
Classic BB Colors
Calm and simple, bright theme in classic blue and beige colors.
Screenshots: https://imgur.com/AWjqqfe | https://imgur.com/75u8TvJ
Muted Sage Gruvbox Light
Muted Sage Gruvbox light theme for Thunderbird.
Forked from Merlin's Muted Sage Gruvbox Dark theme, forked from calvinchd's gruvbox dark theme.
Uses Morhetz's Gruvbox colour scheme https://github.com/morhetz/gruvbox?tab=readme-ov-file
Nord Hardt
An arctic, north-bluish dark, clean and elegant color scheme for Thunderbird 128+.
MintGreen Dark Soft
This theme matches well with LinuxMint and Cinnamon Theme.
Use an add-on like Darko to darken the message body.
Originally written for Firefox.
Thanks to calvinchd at calch.themes.thunderbird.net for original Gruvbox Dark.
Tested up to v128.
New Year's Eve Theme
Celebrate New Year's Eve with this festive Thunderbird theme featuring fireworks and sparkling visuals.
Blurple
Blurple: A calming blend of blue and purple.
Start blurpmaxxing today.
Modern Theme Green
Modern Theme Green thats easy for the eyes and ported from Firefox for a seemless web experience.
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/
Cat Collage
My cat Beeper can now delightfully viewed on Thunderbird.
Version 1.4 enhances the readability of text against my beautiful cat.
Arc Theme for Thunderbird
Another Thunderbird theme inspired by the Arc theme.
3DTriangles
A Mozilla Thunderbird theme with 3D Objets and transparent design
Real System Theme
Theme that really follows system colors for Thunderbird 115+.
If you get strange colors instead of what you expect: First switch to the built in system theme, then switch to this theme again.
To create your own collections, you must have a Mozilla Add-ons account.
