Again the addition of a waistcoat can work well to bring things together particularly when chosen in a shade that sits between that of the jacket and the pants. It can be done nicely but more difficult.
Black leather is the obvious choice where footwear is concerned.
Black suit jacket with light grey pants. So a black jacket matches well with grey pants. Black works for black tie since you don t wear colors with it and if you re following the rules of black tie you ll only wear a tux after 6 00pm when the darkness of the fabric blends with the night. Go for a dark jacket and light grey pants for maximum contrast.
Ditch the socks and finish in black loafers. Dark upstairs and light downstairs is the best approach here. Because black contrasts jarringly with every color turning what would be a pop of color with a gray suit into a clownish looking accessory when set against black.
If not done properly you can end up looking like a wanna be mafioso. Sport a simple gentleman look that will make heads turn. Achieve it with a black blazer paired with light gray pants.
14 dapper street style. But be careful and make sure your shirt shoes and accessories have a crisp and clean look even if you do add a little color. Match the pair with a white shirt and brown tweed tie.
The other problem with a light gray jacket is that the light jacket dark trousers combinations is harder to pull off instead of the usual dark jacket light trousers. You can wear almost the same trousers you would with a navy jacket and honestly brown is a way more interesting colour imo. Just make sure the pants aren t so dark grey that it looks like you re trying to fake a suit.