Gentlemen, I would appreciate some advice from those of you who have experience dressing well for evenings out in warm, tropical climates. As I continue working on building a more deliberate warm-weather wardrobe, I've been giving some thought to the differences between daytime and evening attire, particularly for dinners, lounges, restaurants, and nightlife. I spend a considerable amount of time in South America, where daytime temperatures are often in the mid-to-high 80s, evenings are generally cooler, and sudden, sometimes heavy rain is always a possibility. Coastal destinations can be considerably hotter and more humid, even after sunset. I've become increasingly interested in linen, lightweight cotton, and quality natural-fiber blends. White, cream, beige, and tan linen outfits can look fantastic, particularly during the day. But I'm wondering whether those lighter colors are equally practical for an evening out, especially when dealing with humidity, perspiration, wet surfaces, and unexpected rain. For those who regularly dress for warm-weather nightlife, do you find darker colors more practical or better suited to evening settings? I'm thinking of colors such as navy, charcoal, olive, chocolate brown, and black, while still maintaining the breathability of linen or other lightweight fabrics. I'm particularly interested in whether darker colors do a better job of concealing perspiration, rain spots, and the inevitable hazards of an evening out, or whether the difference is largely aesthetic. I would also welcome suggestions for specific combinations of shirts, trousers, and footwear that strike a good balance between looking sharp and staying comfortable. My goal isn't to dress formally for every occasion, but rather to develop a mature, relaxed, well-put-together style that works just as well for a nice dinner as it does for an evening enjoying the local nightlife. I would be interested to hear what has worked for you, especially from those with firsthand experience in tropical or consistently warm climates.