Mustard is one of those colors people are scared to commit to, and a bedroom is exactly where it earns its keep. Put Golden Ochre on the wall behind the bed and let it do all the talking — it is rich and a little vintage, warm in lamplight, grounding in daylight. One wall is plenty.
The rest of the room should step back. Soft Oat on the remaining walls is a quiet, milky neutral that reads almost gray on a dull morning and warms up the moment the sun hits it. Creamy White on the trim and ceiling keeps everything soft instead of crisp, which is what you want around a color this golden.
Then ground it. Walnut Brown in the floors and a wood frame or nightstand gives the mustard something to lean on, and a small dose of Burnt Clay — a throw, a lampshade, a single drawer front — pulls the whole scheme into that warm, earthy place 2026 keeps pointing toward. Keep the clay tiny; it is a seasoning, not a base.