File:Rhineland.png

Summary
Prussian blue= Lower Rhine, Navy blue= The Rhineland proper, Sky blue= Some times considered Rhineland after WW2, Duck egg blue= included in some post-WW2 Franco-British plans on what they planned for the reconstructed Rhineland, and Cyan for included as a part of the Victorian era Prussian Rhineland Province. Prussian blue, Navy Blue, the north and west of Sky blue and Cyan were all part of the Victorian era Prussian Rhineland Province.