A dark theme for the RStudio IDE. Based on the Monokai Dimmed theme for VS Code.
To install, download the Monokai-Dimmed.rstheme file, then in RStudio go into:
Tools > Global Options... > Appearance tab, and under Editor theme, select 'Add...' and select the file.
It is also recommended to enable "Rainbow Parentheses" in RStudio settings by going into: Tools > Global Options... > Code tab, and under Display section, enable the Rainbow Parentheses option at the bottom.