White beds have a reputation for being the thing you buy with the best intentions and ruin within a year, and mostly that reputation is earned, but the good ones hold up far better than people expect. I used to think white meant high maintenance by definition, the kind of purchase you spend more time protecting than enjoying. A well made one, with the right finish, is a lot more forgiving than that.
In an ordinary room, a white bed sits well against warm wood floors, a tan or oatmeal rug, brass or black hardware on the rest of the furniture, anything that stops the room from going flat and matchy. It reads calmer in small bedrooms and in rooms that get a lot of natural light, since the frame bounces light around instead of soaking it up, which is why so many of them end up in bedrooms that face east or in older houses with small windows and not much choice in the matter. The day it arrives, check the finish close up, under a lamp, not just by the delivery truck window. A painted wood frame should feel smooth and even, no chalky patches, no visible brush marks pooling in the corners of the headboard. Run a hand along any seams where panels meet, because that is where cheap paint cracks first, usually within a winter or two once the heating dries everything out. If it is a lacquered or high gloss finish, check for small bubbles or dents along the edges, since those show up fast under any kind of light and never really go away.
The difference between a white bed that still looks good in five years and one that looks tired by the second is almost always in what is under the paint rather than the paint itself. Solid wood or a properly finished MDF with a hard shell holds its color and resists the nicks that happen from vacuums, shins, and the occasional thrown shoe. Cheaper particleboard frames chip at the corners first, and once white paint chips, it shows in a way that a darker wood tone never would, because there is no grain or stain underneath to hide the damage. Joints matter more than the frame looks like they should. Bolted metal brackets at the corners of the bed frame, rather than just glued dowels, keep a white bed from the slow sway that shows up as creaking a year or two in. Fabric upholstered white beds have their own version of this test, where a tight weave and a removable, washable cover beat a loose linen look every time, no matter how good the linen looks in a showroom.
If I were starting from scratch, I would pick a soft warm white over a stark bright one, something closer to chalk than to printer paper, since it hides dust and light scuffs far better and never looks clinical under evening light.