concentric
Concentric is a clock inspired by and based on Lennart Hase’s polar clock. Four rings, from the inmost, mark the month, date, beat, and pulse.
customisation
Press i to invert interface colours, which can be customised by adding a URL hash with two hex triplets separated by a hyphen-minus for the background and foreground respectively:
https://lab.avanier.dev/concentric#030303-f8f8f8