Yes, you can absolutely wear pants and a top to your 50th anniversary party. The choice of attire should reflect your personal style and comfort, as well as the overall theme of the celebration. If you feel confident and happy in that outfit, it’s a great choice for the occasion!
black is appropriate
Since it is your 50th Wedding Anniversary you can wear any color your heart desires.
1996: 50th Anniversary Uniform change1996
He wears red vestments when presiding over Good Friday services.
Wow! A Golden Anniversary. This is very rare, congratulations! It depends on how comfortable you feel in what you're wearing, because the 50th anniversary's flower is represented by violet which is purple doesn't always mean you have to wear purple, or even gold. But it will definitely be very symbolic of the anniversary if you do so. Here's a link added, it'll show you how to request a greeting from the whitehouse for this rare occasion:-)
Nice pants such as black. and a dressy shirt, no t-shirts.
For pants they wear - pants
You can wear jeans and cool stylish t-shirt with a leather jacket. If the party is a formal one then you can wear a knee length skirt or a sleek pants with a formal top.
I Mean I Wouldn't Guess Why Not! The Pants Look Dressy To Me, (But Then Again I Don't Care What People Think!) The Pants Would Look Really Dressy If You Made Sure To Wear A Real Dressy Top!
black
They wear red pants.
If it's casual, something to dance comfortably in. Yoga pants, leggings, t shirt, etc.