Neongender is a xenogender and colorgender, that is defined as a colourful gender that shines brightly, and can be distracting to oneself. This aspect of the gender can apply to one’s entire gender, or only to parts of the gender. Neongender was coined on July 25th, 2016 by nonbinary-paradise on Tumblr.
The first neonbinary flag was created on March 24, 2019 by by tumblr user Ostereigender (aka polysexualtea/aresgoesgender/thepancherryblossom), the second one was created by arco-pluris on the same date. The third flag was created on October 20 by twitter user _mewikuu, which is an all-inclusive flag, not just for the neonbinaries, but for the neongirls and boys too.