There's a particular moment, usually a Sunday morning with coffee and the paper spread out, when a white table just disappears in the best way. It's not shouting for attention, it's just holding everything up while the light does its thing on the surface. That's when you know you picked the right one. The wrong one, and you notice it every single day, usually because it's fighting with something else in the room.
Where white tables tend to go wrong is next to anything else bright white but a different white, two whites in the same room that don't match will drive you up the wall faster than almost any other decorating mistake, and you only notice it once the table's already in place and the delivery guys are gone. They also clash with very rustic, heavily grained wood floors or furniture, the smooth and the raw just don't want to be friends. For finishes, a warm white or a slightly chalky matte tends to live easier with most rooms than a stark, glossy white, which shows every water ring and fingerprint like it's keeping a diary. If you're building a room from nothing, start with a plain white table with simple straight legs, no turned details, no fuss, because it'll sit under almost any chair style you add later and won't pin you into one aesthetic before you've figured out what you actually like.
Measuring matters more with white than with darker woods, because a too big white table reads as a slab in a small room, there's nowhere for your eye to rest. Leave at least three feet of clearance on all sides for people to pull out chairs and walk past without doing the sideways shuffle, and measure your doorways and any turns in the hallway before you fall in love with something, because a tabletop that won't bend will absolutely not make it around a tight stair corner. Mistake people make constantly is buying a table sized for the showroom floor rather than their actual dining area, it looks modest in a cavernous store and then swallows the whole room at home. Check the underside too, a flat hand run across it tells you if it's a proper painted finish or a thin veneer that's going to chip the first time a chair leg catches it.
A good white table makes a small room feel bigger and a plain room feel finished, and that's worth more than people give it credit for.