It depends on individual taste in the aspect of the question that which is the most attractive color of the eyes. For example, some people may like the deep dark eye colors while some people may prefer the green color of eyes. For your information, here are some results of the surveys on the most attractive eye colors in the world. First of all, the color of green is thought to be one of the most attractive colors of eyes, because the green color reminds people of emerald and jade which are regarded elegant, mysterious and enticing. Secondly, the blue eyes are also thought to be very attractive, because of its sea-like and sky-like color, which is very noble and clarified.