For those who use Gradience in one fashion or another, you can now use Gradience to make applications using LibAdwaita fit in better with Zorin OS.
Simply go into the colour palettes option on the top-right of Gradience, Manage Presets, Explore, and you'll find all of the Zorin OS 16 themes, both light and dark, lovingly ported unofficially to Gradience as appliable colour palettes.
As a few examples:
