Show some personality by mixing and matching patterns and shades—the contrast is what you're after.

Rule #40
Offset a bold tie with a subdued shirt.

Shirt by Paul Smith London. Tie by Polo Ralph Lauren.
Rule #41
Modernize your winter knit tie by wearing it with a trim, shortened collar.

Shirt by Maison Martin Margiela. Tie by BOSS Selection.
Rule #42
Two variations of the same color always look good together.

Shirt by Isaia. Tie by Z Zegna.
Rule #43
When you feel creative, pair dark chambray with a bright, spirited tie.

Shirt by Ermenegildo Zegna. Tie by Gant Rugger.
Rule #44
The pattern-on-pattern look is office-appropriate without being predictable.

Shirt by Brioni. Tie by Polo Ralph Lauren.