Breton Blue vs Royal Navy
Where Breton Blue belongs to Dulux's range, Royal Navy is a Little Greene color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. Breton Blue (LRV 10) reflects noticeably more light than Royal Navy (LRV 5), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Breton Blue runs cool while Royal Navy is decidedly blue, which means they'll respond very differently to warm vs cool light sources. The ΔE 8.2 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Breton Blue vs Royal Navy in Real Spaces
2 real rooms side by side. Breton Blue and Royal Navy are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
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 brightness difference is modest but present — Breton Blue gives the walls a little more lift.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Breton Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Breton Blue vs Royal Navy Simulated Comparison
5 simulated room previews — drag the slider on each to see Breton Blue on one side and Royal Navy 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.
