Even the plaster in here starts looking expensive next to soft sage green. Tall cream lilies stand in a slender ornamental panel, with pink ribbon detailing curling across the top and a band of stylised leaves at the foot. The room slows down. It softens hard corners, draws the eye upward, and makes plain walls feel considered. Hang it in a hallway, above a bedroom chest of drawers, or in a quiet reading nook where you want a touch of old-world calm. Pair with pale oak, linen upholstery, a small brass lamp and a stoneware vase. Skip busy contemporary abstracts and high-contrast graphic prints nearby — they fight the soft palette and break the gentle Art Nouveau mood.