This is the Pro version of Android's tiniest Digital Clock. Digital Clock Pro features options to change the colors of the clocks as well as the text size. Now make the clock look just how you want it!
It also supports setting a time offset to show time a little after or before the local time. You could even show clock of a different country/time zone.
It supports all features of the free version including clocks with multiple faces and several date formats. It also can help with those suffering from dementia or memory loss by showing the time of the day (morning, afternoon etc.).
If you are yet to try the ad-free, tiny free version, you can get it here:
https://play.google.com/store/apps/details?id=com.panagola.app.digitalclock