adw-colors VS Gradience

You can also change the minimize and maximize icons to look like macos by copying the button related css that you can obtain from here into your gtk.css

Check this: adw-colors

You can either manually configure XDG_CONFIG_HOMe/gtk3.0 && gtk4.0 check this

You may check this one here. It will let you customize the Libadwaita stylesheet.

You can modify the named colours, there are some examples here: https://github.com/lassekongo83/adw-colors

More info here: https://github.com/lassekongo83/adw-colors/blob/main/HOWTO.md

After you have that, follow this guide to change the entirety of gtk to that accent colour. (including libadwaita) https://github.com/lassekongo83/adw-colors/blob/main/HOWTO.md

If your main problem with Adwaita are the colors, you can easily customize them, and there are even great GUI tools for this[1]

My issue with Breeze aren't the default colors, but rather the theme itself

[1]: https://github.com/GradienceTeam/Gradience

I really like GTK4 / Adwaita and dislike the look and feel of QT, but I guess that's just personal preference.

You can change the colors of Adwaita using https://github.com/GradienceTeam/Gradience it even has a mode to extract colors from your background like current android versions

Application Theme : adw-gtk-3 with Gradience

This might be an alternative for now - https://github.com/GradienceTeam/Gradience

if the app is using libadwaita you cannot modify the css, you can use gradience to set custom colours though, but it is not the same as modifying the css

For everything else I use the only tool available for properly configuring GNOME: dconf-editor. At this transitional time, managing themes is a challenge, but I like Gradience.

You could also use themix or Gradience

Try https://github.com/GradienceTeam/Gradience/ .

You've tried Nord from Gradience ?