Once the deep olive green enters, the whole room stops apologising. A children’s room can carry more colour than most people give it credit for, and this one does the heavy lifting without turning shouty. Put it up and the wall gains a proper block of colour, with the soft pink dinosaur giving small people something to find and name. It works above a low bookshelf, over a changing table, or along a hallway that currently does nothing at all. Pair it with pale wood, rattan storage, striped bedding and cream or clay walls. Don’t bury it behind pastel bunting, wall decals and busy wallpaper it needs a clear stretch of wall to read properly. On fine-art paper the flat painted colour stays soft and matte.