The lightsabers are the same in hilt design, though two are yellow and one green.

"I'd never seen one until I came here," Ibani replies. "We used Sith warblades on Korriban, which were metal."

Ibani hasn't sparred recently, but she fights Force users for real with great regularity. Such conflicts are a GIVEN for Jedi and Sith alike, and they are trained with that in mind.