tomorrow-theme VS Greybird

Pretty sure that's the tomorrow theme https://github.com/chriskempson/tomorrow-theme

Default terminal colors can be inappropriate. They do not play well with the theme we will install later. To address this issue we will follow tomorrow color theme. Note tomorrow do not provide a theme file dedicated to windows default terminal, but we can define the colors manually.

Visit tomorrow theme

It's called "Tomorrow Night".

You may like Tomorrow, which has several sub-themes and is available for dozens of apps. I use Tomorrow Night Bright for everything.

https://github.com/chriskempson/tomorrow-theme

I change the mono font to Ligconsolata (Inconsolata with ligatures), and for the colors I use Tomorrow Night Eighties.

chriskempson/tomorrow-theme - Tomorrow Theme the precursor to Base16 Theme

terminal: rxvt-unicode; colorscheme is Tomorrow Night Blue

On his 3rd point of theming; Xfce should adopt Greybird Dark, which has Flatpak support. It looks nice enough. Also wouldn't hurt to drop the out-of-box, two panel "Mac" look.

Theme: Greybird (Xubuntu's default) (I've made titlebars thin with a GTK css tweak.)

I'm new to pop_os, I came over from Linux Mint. I'm quite fond of the Mint-Y theme so I went to the Mint repository and downloaded the theme package but when I move the file into my .themes folder I only get the one default Mint-Y light theme (green). I'm hoping to be able to switch to Mint-Y Dark Blue, but can't figure out how to get tweaks to recognize the different variations. I tried pulling the specific Dark Blue folder out and moving it to .themes but tweaks didn't see it either. I'd like to try the new Greybird Dark theme as well but running into the same issue as it comes packaged with Greybird Light in the same download. Any suggestions on how to make this work?