It is possible to change Yennefer's eye color from vanilla to blue in The Witcher 3: Wild Hunt. The game is based on an open world and allows the player to explore and interact with the environment in a multitude of different ways. One of the most important aspects of this world is the ability to customize your character and your vehicle. This is possible through a combination of different components, such as a head, a body, a coat, pants, gloves, and boots. It is also possible to choose different weapons and armor, which will allow you to protect yourself and your armor is strong and will make you more durable. It is possible to choose different hairstyles and beards and even change your eye color.