Britannia Blue vs Iron Ore
Britannia Blue is a Benjamin Moore color while Iron Ore comes from Sherwin-Williams. Britannia Blue reads as blue-grey, while Iron Ore reads as grey — two distinct hue families, not close cousins. At LRV 18 vs 6, Britannia Blue will read as the brighter of the two — a 13-point gap that matters most in north-facing or low-light rooms. The tonal difference — Britannia Blue's blue character against Iron Ore's neutral — becomes most visible against white trim or in morning light. At ΔE 21.0, 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.
Britannia Blue vs Iron Ore in Real Spaces
4 real rooms side by side. Seeing Britannia Blue 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
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. Britannia Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Britannia Blue reflects noticeably more light off the walls, making the space read more open than Iron Ore.
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 Britannia Blue 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 Britannia Blue will make the room feel meaningfully brighter than Iron Ore would.
Color Details
Britannia Blue vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see Britannia Blue 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 Britannia Blue comparisons
See how Britannia Blue stacks up against other well-photographed colors across different brands and tones.
















































