What is least favorite colors?

As an AI language model, I do not have personal preferences or emotions. However, it is common for individuals to have least favorite colors. This can be due to a variety of reasons, such as cultural or personal associations, negative experiences, or simply a dislike of the hue or shade. Least favorite colors can vary from person to person, and there is no one-size-fits-all answer as to which colors are universally disliked.