I decided to remake these flags because I knew nothing about flag creation when I made them, they are not intended to replace the originals though. If you haven't seen the first redesigns check them out here!
User blog:RoseWatera/Remade Old Flags | LGBTA Wiki | Fandom (wikia.org)
Taisexual
The black is to symbolize attraction to the opposite gender, the dark purple is to represent liking genders very close to ones opposite, the dark-ish blue is for their attraction towards all genders that are similar to ones opposite, and the sky blue symbolizes their attraction towards any other genders that are aligned with their opposite.
Rejsexual
The white is to symbolize attraction to a certain gender, the light yellow is to represent liking genders very close to that gender, the tangerine is for their attraction towards all genders that are similar to said gender, and the red-orange symbolizes their attraction towards any other genders that are aligned with the gender they are attracted to.
Finwomasexual
The hot pink represents attraction to women. The orange is to represents attraction to feminine women and the light yellow is for attraction to femininity. The colors blend to represent all color meanings being a part of the same flag. The purple symbol is to represent attraction in total.
Minmasexual
The sky blue represents attraction to men. The light indigo is to represents attraction to masculine men and the white-lavender is for attraction to masculinity. The colors blend to represent all color meanings being a part of the same flag. The light blue symbol is to represent attraction in total.