Test it this way: if the bedroom feels safe, size up. Two pink tulips painted in loose watercolour sit inside a hand-drawn blue and white floral border, and the room reads softer the moment they go up. Walls feel cooler, painted furniture feels more considered, and a chalky off-white wall stops looking blank. Hang it above a chest of drawers, a painted console or a small kitchen worktop, where the blue border can do its job. Pair with blue and white china, linen bedding, rattan and pale oak. Avoid hot reds, busy modern abstracts and heavy black frames close by — they fight the watercolour softness. Looks especially good behind a small jug of fresh stems.