Welcome to the help community.
Discover Google Assistant Actions for your supported devices.
Search for the brand of your lights
When you visit an action search result, select READ MORE if provided, select LINK if provided, select Send To Device for each device and test action on your  supported mobile or Google Nest device.
If no resolve, contact light brand  support about their action and if they have an app you need to update.
-from James. M ( Product Specialist)