A fast and easy way to get a professional appearance is through solid colors. Especially if they’re complimentary or, if you’re artistically challenged like me, they can be simple, dark colors like black, blue, and gray.
What’s great is that these colors can go for any of your clothes, and if you get a collection of solid colors going, mixing and matching becomes a fun, reliable way of maintaining that professional vibe with some safe variety.
Low-Maintenance Guide to Survival 