Naming characters: please help!

I am writing a novel but none of the names for lead characters feel right. Any suggestions?
Lead Female: long caramel colored hair, green eyes, fair skin, around 15 (currently named [name_f]Eris[/name_f] but looking for another name)
Lead Male: Tall, Muscular, short dark hair, tanned skin, around 17 or 18 (currently named [name_m]Liam[/name_m] but looking for another name. Has a sister named [name_f]Sienna[/name_f])

Names for their friends I think will be [name_u]Shae[/name_u] and [name_m]Oliver[/name_m], but not entirely sure. Any names for the two leads and any other characters are appreciated! I am looking for names that are a little futuristic, but nothing too crazy. I’d also like for names to be no more than three syllables. (Also looking for last names for all characters)

Female
[name_f]Scarlett[/name_f]
[name_f]Rose[/name_f]
[name_u]Jordan[/name_u]
[name_f]Faye[/name_f]
[name_f]Destiny[/name_f]

Male
[name_m]Jack[/name_m]
[name_u]Max[/name_u]
[name_m]Joshua[/name_m]
[name_m]Alexander[/name_m]/[name_u]Alex[/name_u]
[name_m]Samuel[/name_m]

I hope I helped

Female


[name_f]Emerald[/name_f] ([name_u]Emery[/name_u])
[name_f]Aria[/name_f]
[name_f]Amara[/name_f] ([name_u]Mars[/name_u], [name_f]Mara[/name_f])
Male


[name_m]Gage[/name_m]
[name_m]Zaiden[/name_m]
[name_m]Xavier[/name_m]