[kilnr]

There's no visible teal/cyan anywhere for me. These are my Firefox Color settings: https://color.firefox.com/?theme=XQAAAAJAAQAAAAAAAABBqYhm849...

I've hidden the tab bar, though, so there will likely still be an accent there.

[yadascript]

The links in the address bar dropdown is teal/cyan for me: https://i.imgur.com/NfOavJ7.png