So, I did some reading, and they're basically elves. If reskinning a D&D elf isn't good enough, I'd go for something along the lines of...

Ability Score Increase. Your Wisdom score increases by 2 and your Intelligence score increases by 1.

Age. You awakened 25 years ago.

Alignment. Sylvari follow the teachings of the Pale Tree, which leads them towards good alignments. Some reject these ideals, however, and embrace what they call 'The Nightmare'.

Size. Sylvari are typically shorter than humans. Your size is medium.

Speed. Your base walking speed is 30 feet.

Darkvision. Accustomed to twilit forests and the night sky, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You canít discern color in darkness, only shades of gray.

Fey Ancestry. You have advantage on saving throws against being charmed, and magic canít put you to sleep.

Green Fingers. You have proficiency in the Nature skill.

Solar Power. While in direct sunlight, your base walking speed is increased by 10 feet.

Sylvari Magic. You know the Dancing Lights, Druidcraft and Shillelagh cantrips. Wisdom is your spellcasting ability for these spells.

Languages. You can speak, read, and write Common and Sylvan.