Physical Description:

Hazrat ‘Uthmaan (radhiyallahu ‘anhu) was neither too tall nor too short (i.e. he was of moderate height), and was blessed with a handsome face. His beard was large and he had a fair, wheat-colored complexion. He was large-jointed and broad-shouldered. He would dye his hair yellow.

(Siyar A’laam min Nubalaa vol. 2 pg. 567)

The Companion of Rasulullah (sallallahu ‘alaihi wasallam) in Jannah:

Hazrat Talhah bin ‘Ubaidillah (radhiyallahu ‘anhu) reports that Rasulullah (sallallahu ‘alaihi wasallam) said, “Every Nabi will have a special friend (in Jannah), and my special friend (in Jannah) will be Hazrat ‘Uthmaan (radhiyallahu ‘anhu).”

(Sunan Tirmizi #3698)