About this extension
This extension allows to set individual color for each tab in order to highlight it.
Tree Style Tab extension is required for it to run.

⚠️ It may conflict with other extensions which change tabs color, such as VivaldiFox or TST Colored Tabs. Also keep in mind that tab color will not be restored on tab close and reopen.

Keyboard hotkeys

You can change shortcuts via about:addons -> Cogwheel -> Manage Extension Shortcuts (detailed guide)

Alt+ 1 – Set red color for selected tabs
Alt+ 2 – Set green color for selected tabs
Alt+ 3 – Set blue color for selected tabs
Alt+ 4 – Set yellow color for selected tabs
Alt+ 5 – Set brown color for selected tabs
Alt+ 6 – Set purple color for selected tabs
Alt+ 7 – Set orange color for selected tabs
Alt+ 0 – Remove color from selected tabs
Alt+ Down – Switch to the next colorized tab
Alt+ Up – Switch to the previous colorized tab

How to change colors

To customize colors, you can use TreeStyleTab's custom CSS.
Here are default style rules for each color, which you could override in TST settings:

.tab.self-colored-red tab-item-substance {
background-color: rgba(255,0,0,0.2) !important;
}
.tab.self-colored-green tab-item-substance {
background-color: rgba(0,255,0,0.2) !important;
}
.tab.self-colored-blue tab-item-substance {
background-color: rgba(0,128,255,0.2) !important;
}
.tab.self-colored-yellow tab-item-substance {
background-color: rgba(255,255,0,0.2) !important;
}
.tab.self-colored-brown tab-item-substance {
background-color: rgba(139,69,19,0.2) !important;
}
.tab.self-colored-purple tab-item-substance {
background-color: rgba(75,0,130,0.2) !important;
}
.tab.self-colored-orange tab-item-substance {
background-color: rgba(255,69,0,0.2) !important;
}
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Release notes for 2.0.0
- Migrated extension to use browser.sessions API instead of storing tab indexes
- Fixed issues with tab colors not restored on browser restart
- Added support for keyboard hotkeys
- Added options page, which also serves as toolbar popup
- Added colorful extension icon
- Many bug fixes and small improvements

For more details see Changelog