Add-ons
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Full White Classic
Full White Classic uses Thunderbird Light colors instead of OS colors.
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
Dark Shadows XT
Quite dark theme, based on shades of grey colors, with blue and green accents.
Dark Night Arcturus X
Quite dark theme, based on shades of grey colors with blue and orange elements. Also try my new theme - Dark Shadows XT.
Nord Hardt
An arctic, north-bluish dark, clean and elegant color scheme for Thunderbird 128+.
Modern Theme
Seemless experience for Firefox & Thunderbird!
The Modern Theme aims for a lightweighted and eye-friendly design. Based on Dark Mode, it uses a contrasty combination of a unique blue-green-turquoise blend combined with sunset orange.
Modern Theme Green
Modern Theme Green thats easy for the eyes and ported from Firefox for a seemless web experience.
3DTriangles
A Mozilla Thunderbird theme with 3D Objets and transparent design
Abstract Theme Carole Pepper
An abstract Firefox theme of the charactor Carole Pepper of Honkai Impact 3rd. Inspired by the color of the character's default skin, including the character's skin tone and clothing color. The copyright owner of the charactor Carole is Mihoyo.
Dark electric violet
Dark and violet theme for Thunderbird by Stonymontana
Valorant Red
A Thunderbird theme version with custom 'Valorant'-red CSS
Rose Pine Dawn
A theme based on the Rose Pine Dawn color scheme (https://rosepinetheme.com/)
Muted Sage Gruvbox Dark
Muted Sage Gruvbox dark theme for Thunderbird.
Forked from calvinchd's gruvbox dark theme.
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