Thanks for the replies everyone, appreciate all the insight. I was able to capture a slightly better video at higher res when the fish weren't zooming around quite as much, although still fought with the autofocus. There are some decent shots here of the suspected female with the other 2 for comparison's sake. I also feel this shows the orange and blue coloring on the fins more clearly, so if orange vs yellow = female 🤞
A couple slightly better pictures as well:
suspected female:
the larger of the 2 males:
What's interesting is up until today I would've described the dynamic in my tank the this way, the largest male doing the most chasing (only ocassional), the pale one trying to mind its own business and hunt in the floating plant roots, but the last couple of days the pale one has actually been chasing the other 2 a bit. It seems like its been mostly just after feeding, and stops after a few minutes, so maybe food related? I'll monitor it since it doesn't seem to be constant right now and no actual damage seems to be done.
Thanks again everyone, will update as the fish matures/colors.