Start with Soft Sage on the walls. It is a quiet, muted green with just enough gray to feel calm instead of bright, which is exactly what you want in a bedroom. The color shifts gently through the day, reading cooler in morning light and warmer at night, so the room always feels easy to settle into. It pairs beautifully with natural wood and white linens, and it never fights with whatever you bring to bed.
For trim and the ceiling, Warm Cream keeps things soft. It is a creamy off-white that frames the sage without the cold edge a stark white would bring, so the whole room stays gentle. Then add Deep Fern as your accent, a deep, leafy green for a headboard wall, a dresser, or the back of an open shelf. Put the sage everywhere your eye rests, let the cream outline the windows and doors, and save the fern for one piece you want to feel anchored and rich.