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Pistachio Ocean
Light and fresh, calming theme in pistachio and bright blue colors - not only for medics.
Nord Hardt
An arctic, north-bluish dark, clean and elegant color scheme for Thunderbird 128+.
Vioorange Warm
Warm, cozy, bright theme in violet and orange, ideal for winter or autumn.
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.
Classic BB Colors
Calm and simple, bright theme in classic blue and beige colors.
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.
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.
Dark Shadows XT
Quite dark theme, based on shades of grey colors, with blue and green accents.
3DTriangles
A Mozilla Thunderbird theme with 3D Objets and transparent design
Arc Theme for Thunderbird
Another Thunderbird theme inspired by the Arc theme.
Dark Space Thème 9MKR
Dark Space Thème 9MKR est un thème de couleur sombre avec une image de l'espace.
Mail Delivery 4K (2023)
Mail Delivery 4K (2023) theme for Thunderbird 100+ and 4K monitors.
Mail Delivery 4K (2018)
Mail Delivery 4K (2018) theme for Thunderbird 100+ and 4K monitors.
To create your own collections, you must have a Mozilla Add-ons account.
