Board Thread:Episode Discussions/@comment-1926479-20160705151842/@comment-26369387-20160706161757

^ No, that's not how it works, both of you:

Uchiha: black eyes -> Sharingan(tomoe doesn't matter)

Hyūga: white blank eye -> Byakugan(with veins and pupils at same time)

Himawari: blue eyes -> Byakugan(with veins and pupils at same time)

See, that's how it works.