I’ve recently gotten this cheap bulb:
MOES ZigBee Smart LED Bulb, 5W… https://www.amazon.co.uk/dp/B0C3726G89
The nice thing about it is that it has powerful white and yellow LEDs to get normal lighting from cold to warm. But it also has RGB LEDs that are not as bright and provide nice cozy ambient light.
However, Apple Homekit (bridged via Home Assistant) doesn’t know about this feature, so you have to turn the light bright/cold white before you can change it to bright warm white. Otherwise you’ll get amber light in RGB mode which isn’t nearly as bright.
Apart from that little issue, it’s working great for me.
I figured this when IKEA started throwing out their current model for £5 a pop. Judging by how fast their stock was gone, they‘ll show up on ebay for a hefty markup any time now…