A nursery should feel like a held breath — soft, warm, and quiet enough to fall asleep in. This palette leads with Shallow Tide, a gentle grayed aqua that I reach for over the candy-bright blues you see in most baby rooms. It has just enough gray in it to stay calm on the walls all day, going soft and dim at bedtime and fresh in the morning sun.
Around that aqua I wrap Warm Oat as a backdrop and a slightly cleaner Creamy Ivory on the trim and ceiling, so the room glows instead of glares. Honey Oak on floors and the crib grounds everything with real warmth, which is the trick to keeping aqua from tipping cold.
For depth, Deep Lagoon does the anchoring — and only in small doses. Use it on a single accent wall behind the crib, on shelf brackets, or a painted dresser, never on more than about a fifth of the room. That restraint is what keeps the aqua leading and the whole space feeling cocooned rather than busy.