Brass had a rough couple of decades where it meant one thing: shiny, yellow, slightly too proud of itself, the kind of lamp you'd find in a hotel lobby or your grandmother's good room. What's changed is the finish. Most brass now comes aged, brushed or unlacquered, which softens it enough to sit in an actual lived in house instead of looking like it wandered in from a furniture showroom. That shift is a genuine improvement. I was firmly in the "no brass, ever" camp for years, and I was wrong.
The easiest shades to live with are the warmer, duller ones, antique or satin brass rather than the bright polished kind, because the muted tone stops the lamp from being the loudest thing in the room. A warm brass base against white walls, a navy sofa, even just a plain oak side table, does more quiet lifting than people expect. Bright, highly lacquered brass is harder to place and tends to only work in rooms already leaning a bit formal.
These lamps suit the rooms where you want a bit of warmth without turning on the overheads, so bedside tables, reading corners, living rooms in the colder months when you want something softer than daylight. They work in a studio apartment just as well as a bigger house, since one good brass lamp can carry a whole corner that would otherwise just be a chair and a dead patch of carpet.
The difference between a good one and a disappointing one usually comes down to weight and the base. Pick it up. Solid brass has a heft to it, a cheap brass plated one feels hollow and tinny, and you'll know within about two seconds of holding it. Check the seams too, where the base meets the stem, because a decent one is soldered clean and a bad one has a visible, slightly sharp joint that catches a cloth every time you dust it.
Solid brass ages well, in fact it's kind of the point. Unlacquered brass will darken and pick up a patina over a few years, fingerprints and all, and most people end up liking that more than the showroom shine it started with. Lacquered brass stays brighter longer but the coating can wear thin at the switch where your hand goes every night, and once that happens you're stuck with a dull patch forever.
Wipe it down with a dry or barely damp cloth and skip the metal polish unless you actually want that darkened patina gone for good.