Breton Blue vs Iron Ore
Breton Blue (Dulux) and Iron Ore (Sherwin-Williams) come from different manufacturers. Hue-wise, Breton Blue belongs to the blue family and Iron Ore to the grey family. The 4-point LRV gap — 10 for Breton Blue vs 6 for Iron Ore — means Breton Blue will open up a space more effectively. Where Breton Blue leans cool, Iron Ore reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 14.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Breton Blue vs Iron Ore in Real Spaces
5 real rooms side by side. Seeing Breton 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Breton Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Breton Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The brightness difference is modest but present — Breton Blue gives the walls a little more lift.
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. Breton Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Breton Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Breton Blue vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see Breton 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 Breton Blue comparisons
See how Breton Blue stacks up against other well-photographed colors across different brands and tones.


















































