Gold bracelets suit anyone who likes a bit of movement at the wrist without having to think about it twice, the sort of person who wants their hands to look finished when they're holding a coffee cup or signing for a parcel. If you work with your hands all day, lifting, typing fast, washing up constantly, or you hate the sound of metal clinking against a desk, I'd think twice before stacking several at once. One good bangle, maybe, but a full arm of chain links through a busy shift is asking for trouble.
The easiest shades to live with are the warmer ones, a proper yellow gold rather than anything too pale or too pink, because it sits well against most skin tones and doesn't fight with whatever else you're wearing that day. A brushed or matte finish is far more forgiving day to day than a high polish, which shows every scratch and fingerprint within about a week. I used to think rose gold would suit everything because it looked soft in photos, then wore it against a cream jumper and realised it just vanished, no definition at all. Yellow gold holds its own.
Where gold bracelets properly let you down is anywhere water and soap are involved repeatedly, or anywhere you need your wrists completely free, climbing, certain gym work, anything with a lot of grabbing. A chain bracelet with a lot of open links will also catch on jumpers and bag straps more than you'd expect, I've pulled a loose thread clean out of a sleeve before realising what had happened. And if you're someone who fidgets, spinning rings, clicking pens, a loose bangle becomes background noise you can't switch off.
The difference between a bracelet that lasts and one that goes dull in a drawer within a year usually comes down to the plating and the clasp. A thin gold wash over base metal will flake at the edges where it rubs against a watch or a bag handle, while proper gold vermeil or a thicker plate keeps its colour far longer, even with daily wear. Clasps matter more than people credit them for, a lobster clasp that snaps shut firmly beats a flimsy spring ring that works itself open on the bus. Weight tells you a lot too, a cheap one feels almost weightless and slightly hollow, a good one has a small, satisfying heft when it settles against your wrist.
The best ones give you a tiny click when the clasp closes properly, so you know without looking that it's actually fastened.