Green, blue, grey, all the way to yellow, for a colorless gas hydrogen has a surprising array of colors attached to it. What started as a set of nicknames has become an arcane code list for provenance, but is it time to consciously set aside this approach to hydrogen production? The risk of a fragmented market has never been more prominent, and hydrogen seems to have been engulfed by the approach more than any other commodity. And the core idea of a hydrogen economy, run on a clean-burning fuel, seems to have been lost in a battle for validity. Join us as we discuss the pitfalls and shortfalls of the hydrogen rainbow.