Brightgender is a gender identity where someone's gender is bright, colourful and chaotic. It can also be used to describe someone whos gender is based of the brightness level so when it is light is is female and when it is dark it is male.
Brightgender was created on the 31st of August 2021 by AceTheSpace (AceDaSpace on twitch) when they were having trouble finding the correct gender identity for them so they decided to make it instead.
People who identity as Brightgender can use any pronouns and this may not be their "main" gender.