dark walls dark sofa, consider your furniture colors when selecting a wall color. This sofa blends into the walls even though it's a bluer/cooler gray than the walls. More contrast in the colors would set off the sofa.
Counter to splash detail for a defined focal point to the work surface. Custom hood fan to wall shelf feature and the recessed integrated LED lighting to highlight. "Kitchen of the Tetsuyas restaurant in Sydney. Black with white marble.