rainbowy

adjective2

1. •
   Resembling a rainbow.

   • His shape was all human except the head and hands and feet; every bit of him was covered with fish-scales all rainbowy. — 1927
2. •
   (informal) Pertaining to a positively viewed diversity in gender and/or sexuality.

   • And if it were all fluid, if it were kind of rainbowy kinds of genders, who could oppress whom? — 2005