A brown tweed suit can be a versatile and reliable part of your wardrobe. Look to pair yours with white and light blue shirts, and complement these outfits with a wide variety of ties and other accessories. You can even wear a brown tweed sport coat in more casual contexts, perhaps with denim and a knit sweater.
Consider another coloured suit for an interview. Job interviews are not an appropriate time to wear your brown suit. Even if you look great, brown sends a comforting and reliable vibe, but also risks making you seem simple, old-fashioned, or overly intellectual. Other colours, such as charcoal and navy, send the message that you are productive and forward thinking.
Keep brown out of the courtroom. Some professional environments still favour specific formal attire. Law is one of these realms. The courtroom calls for more traditionally assertive and powerful colours, including dark blue and black. Keep your brown tweed suit for days at your practice.