Rated 5 out of 5 stars

Now you can tweak the colors to your hearts' desire and see the outcome in the open calendar without leaving the prefs window -- just click 'Apply'.

This review is for a previous version of the add-on (5.0). 

Rated 3 out of 5 stars

A good add-on to have. For a more intuitive setting (and for those whose Englisch is not so good), please add an "Apply" button to the settings window so we can see and test what we are setting. Also a menu entry to access Calendar Tweaks while the Calendar is open would be nice.

This review is for a previous version of the add-on (4.4). 

Calendar Tweaks 5.0 provides menu access to the 'Calendar Tweaks Options' dialog and an 'Apply' button.