I've given my website a bit of a refresh, using Temporal and CSS color-mix to change the background colour depending on your time of day
https://localghost.dev/blog/time-based-background-colour-transitions-with-temporal-and-css-color-mix
localghostTime-based background colour transitions with Temporal and CSS color-mix - localghostA visual refresh with a background that changes colour according to the time of day, using the new Temporal API along with CSS custom properties that blend into each other.