Rated 1 out of 5 stars

It was an excellent plugin. Mozilla made it very hard to keep track with all the API changes in the last year.
But for a now not working Plugin, I've to rate a very low.
Really sad. It seams Mozilla is going in to the wrong direction in so may ways.

Rated 1 out of 5 stars

Not working any more! Can't install. :-(

This review is for a previous version of the add-on (11.1). 

ACCOUNT COLOURS NOW WORKS WITH THUNDERBIRD 68.0

Please see reply to Jaak Hillen above.