A taupe kitchen is the easy way to get warmth without going all-in on brown. This palette puts a smoked taupe on the cabinets, the kind of soft gray-brown that feels calm in the morning and rich under warm light at night. It is the lead here, so let it carry the biggest surfaces and keep everything else in support.
Around it, stone mushroom on the walls keeps things light and a touch airy, while soft ivory on the trim and ceiling gives the eye a clean edge to rest on. That little bit of contrast is what keeps a one-color room from feeling flat.
For grounding, warm walnut on the floors or open shelving brings in real wood tone, and a single hit of burnt umber on the island ties the whole thing down. Keep that deepest color small, just the island or one base run, so it stays an anchor and not the main event.