ANSWER:
Color and beauty is just skin deep and what really matters is if he’s a practicing Muslim who provides for you and the kids.
You must be grateful to Allah that you’re married, there are plenty of women out there crying to get married and would give anything to be in your shoes and you’re here being ungrateful to Allah and sad about what He decreed upon you. Imagine how you would feel if Allah tested you with a disease that changes the color of your skin and he resented it and couldn’t stay with you like this!