Breton Blue vs RAL 320-1
Where Breton Blue belongs to Dulux's range, RAL 320-1 is a RAL Effect color. Breton Blue reads as blue, while RAL 320-1 reads as beige — two distinct hue families, not close cousins. RAL 320-1 (LRV 43) reflects noticeably more light than Breton Blue (LRV 10), a difference of 33 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 62.1, 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 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Breton Blue vs RAL 320-1 in Real Spaces
4 real rooms side by side. Seeing Breton Blue and RAL 320-1 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
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 LRV gap is large enough that RAL 320-1 will make the room feel meaningfully brighter than Breton Blue would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. RAL 320-1 reflects noticeably more light off the walls, making the space read more open than Breton Blue.
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. RAL 320-1 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. RAL 320-1 reflects noticeably more light off the walls, making the space read more open than Breton Blue.
Color Details
Breton Blue vs RAL 320-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Breton Blue on one side and RAL 320-1 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.
