Maybe HASS is better than this but it’s not simple to schedule Hue to have the right colours at the right time. At least, not at my latitude. I’ve got separate summer and winter schedules and that helps a lot, but especially in the summer it’s pointless using the built in sunset/sunrise events.

I have Hue lamps around the house that are daylight temperature in the day and turn warm and dim in the evening on a schedule. Is this what you mean by circadian, or is it something else?