Update: did some research, found this thing for $39 https://epomaker.com/products/epomaker-ek21

It's got 20 keys, hot-swappable, and individually addressable RGB.

And for an FOSS printable one, https://github.com/Dwin17/bento

I made one too, though no LEDs:

https://github.com/skorokithakis/macropad

https://immich.home.stavros.io/s/macropad