Coastal Grey vs Just Walnut
Both are Dulux colors. Coastal Grey reads as blue-grey, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. At LRV 72 vs 56, Just Walnut will read as the brighter of the two — a 16-point gap that matters most in north-facing or low-light rooms. The tonal difference — Coastal Grey's cool character against Just Walnut's warm — becomes most visible against white trim or in morning light. At ΔE 12.2, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Coastal Grey vs Just Walnut in Real Spaces
2 real rooms side by side. Seeing Coastal Grey and Just Walnut in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Just Walnut will make the room feel meaningfully brighter than Coastal Grey would.
Color Details
Coastal Grey vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastal Grey on one side and Just Walnut on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Coastal Grey comparisons
See how Coastal Grey stacks up against other well-photographed colors across different brands and tones.
