If you want a name that sounds similar or has a similar meaning, here are some options:
* Robeta: This is the closest phonetic spelling of "Roberta" in Hawaiian.
* Lani: Means "sky" and evokes a sense of royalty.
* Alohilani: Means "heavenly chief" and is a beautiful, feminine name.
* Leilani: Means "heavenly flower" and is a classic Hawaiian name.
* Keawe: Means "strong and brave" and could be considered a unisex name.
Ultimately, the best Hawaiian name for "Roberta" would depend on the specific meaning and sound you're looking for.