Coastal Grey vs Iron Ore
Where Coastal Grey belongs to Dulux's range, Iron Ore is a Sherwin-Williams color. Coastal Grey reads as blue-grey, while Iron Ore reads as grey — two distinct hue families, not close cousins. Coastal Grey (LRV 56) reflects noticeably more light than Iron Ore (LRV 6), a difference of 50 points that becomes especially apparent in rooms with limited natural light. Coastal Grey runs cool while Iron Ore is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 51.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Coastal Grey vs Iron Ore in Real Spaces
3 real rooms side by side. Seeing Coastal Grey and Iron Ore 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Coastal Grey will make the room feel meaningfully brighter than Iron Ore would.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Coastal Grey reflects noticeably more light off the walls, making the space read more open than Iron Ore.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Coastal Grey reflects noticeably more light off the walls, making the space read more open than Iron Ore.
Color Details
Coastal Grey vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastal Grey on one side and Iron Ore 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.
