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Re:Organic solar cells set 'remarkable' energy record by xavieralexandre on Friday August 10, 2018 @07:19AM (#17732304)
It's expensive and coloured instead of totally transparent but it indeed exists outside of the lab. They did build a wall out of them in my former campus:

https://en.wikipedia.org/wiki/Dye-sensitized_solar_cell

https://actu.epfl.ch/news/epfl-s-campus-has-the-world-s-firs...

Non-native English speaker here: Is there a word to describe something which is transparent but alters colour?

Re:Organic solar cells set 'remarkable' energy record by gandalfian on Friday August 10, 2018 @08:58AM (#17732811)
Tinted?
Re:Organic solar cells set 'remarkable' energy record by gbear605 on Friday August 10, 2018 @08:10AM (#17732556)
Translucent is somewhat close to what you're looking for.
Re:Organic solar cells set 'remarkable' energy record by innocentfelon on Friday August 10, 2018 @08:59AM (#17732817)
Try dichroic if you don’t mean translucent.