Well,
based on the requests in here, I added some more improvements:
- you get your color setting "by value" back (i.e. you can enter numeric color codes, not in hex but in decimal notation, but I think this should suffice) ,
- added an option to disable the leading zero padding for numeric values,
- and fixed a bug in the settings dialog which caused the color not being reloaded correctly.

The "Pad Numbers with Zeros" setting currently affects everything: hours, minutes, and seconds.
This is probably too much.
If you like a more specific behavior let me know.

Edit: I also added a version of the binary clock which indicated the next alarm time.