What is the purpose of wearing a white shirt under a suit jacket? Is it necessary to also wear a white belt with pants to match the color scheme of the outfit?

How to Match Colors of a Tie, Suit, and Shirt: 13 Steps

What is the purpose of a necktie? - Quora

Top 10 Signs You're in a Poor-Fitting Suit – The Helm Clothing

Men's Outfit Guide: The fundamentals of great casual outfits

What are some tips for wearing light-colored shirts under dark suits or jackets? - Quora

Are cast and form shadows on a darker base value darker? If a black and white shirt were exposed to the same exact lighting conditions, would the shadows on the black shirt

12 Chic Denim-and-White Outfits That Are Timeless

How to wear a red suit? – Flex Suits

qph.cf2.quoracdn.net/main-thumb-439277448-200-teyu

Semi-Formal Attire vs. Formal Learn the Difference Between Formal & Semi Formal Attire – Nimble Made

How To Wear White As A Menswear Color

A Guys' Guide for Wearing a White Belt

Is it necessary to wear a white shirt with a suit, or can I wear a shirt of any colour? - Quora