October Mist vs Breton Blue
Where October Mist belongs to Benjamin Moore's range, Breton Blue is a Dulux color. October Mist reads as grey, while Breton Blue reads as blue — two distinct hue families, not close cousins. October Mist (LRV 47) reflects noticeably more light than Breton Blue (LRV 10), a difference of 37 points that becomes especially apparent in rooms with limited natural light. October Mist runs yellow while Breton Blue is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 44.8, 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 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
October Mist vs Breton Blue in Real Spaces
5 real rooms side by side. Seeing October Mist and Breton Blue 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 October Mist 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. October Mist reflects noticeably more light off the walls, making the space read more open than Breton Blue.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. October Mist returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. October Mist 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. October Mist reflects noticeably more light off the walls, making the space read more open than Breton Blue.
Color Details
October Mist vs Breton Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see October Mist on one side and Breton Blue 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 October Mist comparisons
See how October Mist stacks up against other well-photographed colors across different brands and tones.


















































