In my own opinion, I think that either dark brown/black or reddish hair would look best. Almost anything would work, though. Just try to have contrast between the hair and eyes.
He has grey eyes.
he has greenish grey eyes
grey
Jean Grey's eyes are green.
People with dark eyes that want grey contacts will get them with a thicker colour so it covers up their dark eyes. The grey colour will still look the same no matter how thick the colour is.
ranoldo eye colour is a green which has contrast to grey which looks so amazing and beautifull during playing football
Lucy Lawless has blue eyes.
Hazel/Grey
*
they are greenish grey
His eye colour is grey.
Luna Lovegood's eyes are silvery grey. In the movies they are blue.