Of the 18 Emperors from Augustus to Commodus: 9 had blond or red hair; 5 had grey or white hair; 3 had no recorded hair colour, and just 1 (Hadrian), was referred to as dark-haired.
Of the 18 Emperors from Augustus to Commodus: 9 had blue or grey eyes; 2 had "wine-coloured eyes" (whatever that may mean), and 7 had no recorded eye colour.