The thing nobody tells you about desk chairs is that the one that feels great for ten minutes in a showroom can feel terrible after three hours of actual work. You sit down, lean back, think this is it, and then by hour two your lower back is sending you strongly worded messages. A desk chair is not a chair you judge sitting in briefly. It is a chair you judge by the end of a long afternoon, which makes buying one online a bit of a gamble, but a worthwhile one once you land on the right shape and material for how you actually sit.
On color and finish, I have learned to think about what is behind the chair as much as the chair itself. Black mesh is the safe, almost invisible choice, it disappears into a home office and does not pick a fight with anything around it. Gray fabric is close behind, forgiving of dust and coffee drips in a way light fabric never will be. Cream or off white looks wonderful in photos and then shows every mark within a month if you have kids, pets, or just hands. Wood framed chairs with a simple upholstered seat tend to sit well in rooms that are not trying to look like an office at all, which is most rooms now. Chrome and polished metal legs read as more corporate and can feel cold or out of place next to warm wood furniture, so if your desk sits in a living room or bedroom rather than a dedicated study, a chair with wood or matte black legs usually blends in more kindly.
Where it struggles is in spaces that are trying to be formal or soft at the same time. A heavily padded, high backed office chair in a small bright bedroom can look like you dragged it in from somewhere else, because you probably did. It also clashes with delicate furniture, thin legged side tables, antique desks, anything precious, since most desk chairs are built for function first and look blunt next to anything ornate. Where it works best is in spare rooms doing double duty, apartment corners turned into a work nook, and family homes where one chair gets used by more than one person across the day, kids doing homework, someone paying bills at night. It is a year round piece, no real seasonal angle to it, it just needs to earn its keep every single day.
Before you buy, measure the height of your desk and the gap underneath, then check the chair's seat height range against it, because a chair that cannot tuck under your desk is no use to anyone.