If you look at photos of yeshiva types before the war, you’ll see that their hats were generally non-black. Since the photos are black and white, you can’t tell whether the hats are gray, brown, or some other color, but there’s no way they’re black.
Gadol, there’s no e in bigly. Just ask the bigly orange guy,
Joseph, if the amount of the head that’s covered were that significant, we’d all be wearing football helmets to daven. If you should follow the kehilla’s custom, would you wear a kippah seruga if you happened to be traveling and the only shul in town was MO?