While personal preferences play a significant role in determining whether a 285 size tire on a 10.5-inch wide rim looks alright, this combination is generally considered a good fit from a technical standpoint. A 285-width tire is within the acceptable range for a 10.5-inch wide rim, ensuring proper fitment and performance without compromising safety. The aesthetics of this combination will largely depend on the specific vehicle and wheel setup. Some drivers may appreciate the wider, more aggressive stance that a 285 tire on a 10.5-inch wide rim offers, while others may prefer a different look. Ultimately, it comes down to your personal taste and the visual appeal you're looking to achieve with your vehicle.