Practical outfit choices with a small wardrobe

A friend has invited me to a small gallery opening, and the invitation gives no useful clues about what to wear. I would like to wear black trousers and a simple cream shirt because both fit well and feel comfortable. The question is how to add some personality without turning the outfit into something I would never normally wear. For comparing different shades, I started looking into [url=https://outfitinspiration.top]color analysis[/url] while trying to keep my attention on how the pieces combine rather than reaching a firm conclusion about my season. Would a muted blue scarf make sense with that base, or would you look for texture instead of another color? There is a short walk involved, and I would like to keep my comfortable shoes and bring an extra evening layer. Which one detail would make these basics feel suitable for the opening without making the outfit difficult to wear?