Following the work from Brett Schwarz, we have integrated several themes into the main core library. Since those themes are included into the library, it is working out of the box: you don't need to install anything on your side. You just have to use the
Several websites are listing available themes:
Some theme includes some procedures, to help coloring message, as:
You can create your own theme on your local file system. You can duplicate any existing theme to create your own one. By default, a theme file is named
Other repositories can also publish themes for PlantUML. Theme files must follow the same convention:
If you find any interesting theme, you can also propose a pull request so that we integrate this theme into the main core library.