Rock Gray vs Iron Ore
Rock Gray is a Benjamin Moore color while Iron Ore comes from Sherwin-Williams. These are both greys, so the question isn't which hue to choose — it's where within grey to land. At LRV 24 vs 6, Rock Gray will read as the brighter of the two — a 18-point gap that matters most in north-facing or low-light rooms. The tonal difference — Rock Gray's blue character against Iron Ore's neutral — becomes most visible against white trim or in morning light. At ΔE 26.4, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Rock Gray vs Iron Ore in Real Spaces
4 real rooms side by side. Seeing Rock Gray 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Rock Gray will make the room feel meaningfully brighter than Iron Ore would.
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 Rock Gray will make the room feel meaningfully brighter than Iron Ore would.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Rock Gray will make the room feel meaningfully brighter than Iron Ore would.
Color Details
Rock Gray vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see Rock Gray 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 Rock Gray comparisons
See how Rock Gray stacks up against other well-photographed colors across different brands and tones.
