In BG2 I was totally satisfied with the character costomization. To me it mattered more how the equippment was looking on my char. Some time in the game everyone of the chars wore either a cloack, hooded robe, or at least a helmet to distinguish him from the other chars. Apart from that I think that is much more important,
to distinguish the character from others. maybe not the eye-colour but the physical apperance, which could be equippment, or even body posture. :D