Thundercloud Gray vs Iron Ore
Thundercloud Gray (Benjamin Moore) and Iron Ore (Sherwin-Williams) come from different manufacturers. Hue-wise, Thundercloud Gray belongs to the blue-grey family and Iron Ore to the grey family. The 45-point LRV gap — 50 for Thundercloud Gray vs 6 for Iron Ore — means Thundercloud Gray will open up a space more effectively. Where Thundercloud Gray leans blue, Iron Ore reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 48.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Thundercloud Gray vs Iron Ore in Real Spaces
2 real rooms side by side. Seeing Thundercloud 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.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Thundercloud Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Thundercloud Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Thundercloud Gray vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see Thundercloud 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 Thundercloud Gray comparisons
See how Thundercloud Gray stacks up against other well-photographed colors across different brands and tones.
