It's changed over the years. At the moment, it's purple. But not just any shade of purple.
The shade of purple in this flag:
Note that this is not the official bisеxual pride flag. The official flag looks more like this:
However, given the intention of the flag, I was annoyed that the purple in that flag is not a true blending of that shade of pink and that shade of blue, so I made my own.
