Made especially for Recursive Mono (or any other code font with nice italics).

1. Download this repo as a zip
2. Add the entire folder to ~/.vscode/extensions/

Note: these screenshots also make use of Bracket Pair Colorizer.

Easiest method

https://themer.dev/

More control

1. duplicate a theme you like within ~/.vscode/extensions/
2. update package.json
3. update colors in themes/________theme.json

It’s critical to be able to determine type of a given token in order to become efficient in theming. Luckily, it's easy!

Trigger the scope inspector from the Command Palette with the Developer: Inspect Editor Tokens and Scopes source