Reference
Colormap reference
Javadoc Documentation
The Javadoc documentation is included in the distribution's ZIP file. Once the library is installed, you can access it via Help > Libraries Reference > ColorMaps from Matplotlib.
Sourcecode and examples
The source code and examples are also part of the distribution. You can find the examples directly in the IDE by going to File > Examples...
Github repository
https://github.com/skaringa/colormaps-mpl