To create a color-drenched bedroom envelope, paint the walls, ceiling, and trim in a cohesive, personal color palette. Choosing a single warm neutral or a soft pastel across all surfaces envelops the room in color, creating depth and coziness. This bold move turns small bedrooms into intimate retreats, enhancing the sense of containment and calm. Add layered textures and soft lighting to soften the color intensity. This approach unifies the space visually while allowing for personal expression and maximum comfort.