Drift

An ambient color clock. The screen slowly drifts through color while the time floats on top.

12:0000PM

1200

it's

twelve

Formerly Transition, an Android app from 2015. Tap for a new color, swipe or use the arrow keys to change the clock face, and open the controls to pick a color mood. Great on an old tablet, a spare monitor or a nightstand. Press F for fullscreen.