Advice for Painting Recon Set (again)

I've picked up the Recon set and thought to paint the mini.s in red and blue colourways for easy team identification but wondered about reasons why I wouldn't.

For instance, if Mantic release multiplayer rules as they have for Deadzone then maybe I'd want more colours than just reds and blues.

Can anyone advise about how such colour choices might be affected by the Halo universe, the way the game works or Mantic's upcoming releases, thanks?

* shout out to u/khevakins for his videos and answers here that encouraged me to buy the game!