I came across a post in my Facebook feed today that linked to The Colour Clock by Jack Hughes. It's a pretty neat idea - the current time is translated into a hexadecimal color value and applied to the background of the page. So as the time changes, the background color of the page changes as well.
I've tried to stay true to the original but among other things, my colors are just a little off, most likely because I'm calculating them differently. You can find project details on my site.
Cross-posted from No Good Tips & Tricks