Hue released a built in day light scene for their lights to change the color temperature based on the sun. I don't see a way to activate this scene in HA though.
Natural Light: All this is still missing from the new function - Hueblog.com
Have you tried the Natural light scene? Get the right dose of daylight automatically throughout the day. Just in time for tonight's long, long, *long*... | By Philips Hue | Facebook
Wellbeing lighting | Philips Hue EN-CA
Natural Light: New function now available in the Hue app - Hueblog.com
Natural Light chức năng mới trong ứng dụng Hue
exploring how natural light colors our world - Sunlight Inside
Philips Hue 'Natural Light' Rolls Out: Here's How it Changes Color Temperature | Tech Times
Philips Hue: Natural light is now officially available : r/Hue
App update: Philips Hue improves "Natural Light" - Matter & Apple HomeKit Blog
Natural Light: Long-awaited function will arrive later - Hueblog.com
Philips Hue app accidentally offers a glimpse of upcoming 'Natural Light' scene
Natural Light: Long-awaited function will arrive later - Hueblog.com
Philips Hue: Natural light is now officially available : r/Hue
Wellbeing lighting | Philips Hue EN-CA
Philips Hue: Natural light is now officially available : r/Hue