You can customize the colors to your liking, overriding the ones provided by this theme. To know how to customize, click here for the official documentation.
Contribution
It's very easy to make contributions for this project. You can follow the official documentation to learn more details, but to keep it short you can do this:
Fork this project and clone to your computer.
Open the project on Visual Studio Code.
If this theme is installed, disable it before following the next steps.
Press F5 to start the Extension Development Host mode.
On the development host make sure this theme is selected.
Open a folder or a file to preview the changes you will make.
Open the themes/darcula.color-theme.json where you can see the many tokenColors rules.
Add new rules to improve this theme.
Try to keep them sorted in ascending order: ctrl + shit + p + Sort Lines Ascending.
Submit a PR.
In order to identify the scope of a token, first go to the file that you are using as reference. Then press ctrl + shit + p, search and execute Developer: Inspect Editor Tokens and Scopes. Now click on the token that you wish to customize and the inspector will show you the scopes related to that token.
Credits
The editor colors were based on rokoroku/vscode-theme-darcula theme, and changed a little in order to become more like IntelliJ's.
The token colors were made from scratch and based on IntelliJ IDEA.