Breton Blue vs Grey beige
Where Breton Blue belongs to Dulux's range, Grey beige is a RAL Classic color. Breton Blue reads as blue, while Grey beige reads as beige-greige — two distinct hue families, not close cousins. Grey beige (LRV 31) reflects noticeably more light than Breton Blue (LRV 10), a difference of 21 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 37.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Breton Blue vs Grey beige in Real Spaces
2 real rooms side by side. Seeing Breton Blue and Grey beige in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Grey beige reflects noticeably more light off the walls, making the space read more open than Breton Blue.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Grey beige reflects noticeably more light off the walls, making the space read more open than Breton Blue.
Color Details
Breton Blue vs Grey beige Simulated Comparison
5 simulated room previews — drag the slider on each to see Breton Blue on one side and Grey beige 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.
