The most useful colors in men's fashion are the ones that work hard without demanding attention. Navy, charcoal, black, white, gray, olive, brown, and stone should do most of the lifting.
Best Colors for Men's Fashion: the practical approach
Navy is softer than black and works with almost everything. Use it for knits, jackets, overshirts, and tailoring when you want polish without harsh contrast.
Olive adds depth to casual outfits and pairs naturally with white, black, denim, gray, and brown. It is especially strong for utility jackets, chinos, and overshirts.
Brown and suede tones bring warmth. They work well in boots, belts, watches, leather jackets, and textured knitwear.
Use brighter colors sparingly. A rust overshirt, burgundy knit, forest green jacket, or blue striped shirt can stand out because the rest of the outfit stays controlled.