Coralgender is a xenogender that feels sharp and colourful, and/or is made up of several different genders, similar to multigender. It could also harbour other genders, or just be related to coral and coral reefs.
History
this term was coined by u/AlpineGoats on Reddit.
Flag
Just like the seacollector flag, coralgender's flag has no known meanings other than the colours being related to coral. The flag was also created by u/AlpineGoats.