I personally use the Roku RGB ones that came out last year. It's like $18 for three of them, total house done for under $100 with three bedrooms and all the common areas. They work well and sync to my home automation service, as well as having a geofence option to turn on/off when entering/exiting the general area of the home.
I lived in a sketchy neighborhood prior and those bulbs saved our ass on a few occasions. People would come to the door, cameras would send an alert and all the lights would go on in an instant. This occured multiple times and it worked as a deterrent all of them.
I also have some of the light strips synced together (there is a party mode with them, but unless you want to have a stroke I wouldn't use it) and those create a good cohesive ambiance behind my desk and TV.
I will ding them points for the party mode being hellish, and the app not having a dark mode, but they do sync quickly, reliably, and are user friendly to set up profiles and rules for.
Hope that helps as I seem to be the only one not saying the Ikea ones (I have no experience with them so I cannot recommend something I've never tried)
Edit: I wrote all this up and then decided to look into ZigBee as I realized thats the main concern of OP. I think this fulfills the functional requirements, but maybe not, so I'll leave the comment just in case.
Oh do I have some good news for you then. The end of the summer a few platforms are slated to launch an iMessage on Android app.
Sunbird is the big one that is getting a large amount of coverage and sells itself as E2E for iMessage (we'll see at launch as it's in beta right now).
Beeper is another one that's an aggregation messenger similar to what signal originally was, but is also supposed to allow iMessage instead of its own alternative, as well as still being usable for text/RCS messaging.
I'm not working for either of these companies, I just have a significant other with an iPhone who always complains about my messages being green, and so I did some research into ways to fix it a few months ago and found both of these to be the promising fixes that don't require self hosting a server (funny seeing as this is lemmy, kinda the theme here). I've kept it under wraps from them to be a huge surprise when it launchs and all of a sudden they can't complain/talk about the platform superiority anymore.