Blond hair and blue eyes attract attention in any situation. If you're far away from a person, even in the dark you'll notice a blonde first over a brunette or red head. It's not a matter of attraction, you just notice blond hair first because it's brighter with or without sunlight. Even if the girl is unattractive, you still turn your head for at least a moment to check out a blond.
After that when you look at a person's face, one of the first things you focus in on is their eyes. They're the window to the soul and if that window has a green two blue tint, you're more likely to be fixated. Again because of the brighter color you're instinctually to noticea bit more.
Nothing new here. We should all realize however that even though we have base attraction, maintaining composure is still crucial in winning the battles of our life time. I have girls who bring me to my knees because of their appearence but my self restraint is what makes me a player as I interact with them.