The lips of the vagina is black while one side the labia is longer then the other and the skin is kind of wrinkly. What is wrong?

Vaginal lips. Pigmentation of the outer lips of the vagina is very common, and just like there are differences in hand and foot size in all humans, there are differences in the lips of the vagina in terms of size. This is entirely a normal variation and has no clinical significance.
Need GYN MD exam. You need to see a GYN MD and have the area examined to determine the answer to your question. It is impossible in this forum to give you an accurate answer.