Flannel Gray vs Tranquil Dawn
Where Flannel Gray belongs to Behr's range, Tranquil Dawn is a Dulux color. Flannel Gray reads as grey, while Tranquil Dawn reads as green-grey — two distinct hue families, not close cousins. Tranquil Dawn (LRV 55) reflects noticeably more light than Flannel Gray (LRV 42), a difference of 13 points that becomes especially apparent in rooms with limited natural light. Flannel Gray runs red while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of NaN, 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.
Flannel Gray vs Tranquil Dawn in Real Spaces
5 real rooms side by side. Seeing Flannel Gray and Tranquil Dawn 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 Tranquil Dawn will make the room feel meaningfully brighter than Flannel Gray 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. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Flannel Gray.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Flannel Gray.
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. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Flannel Gray.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Flannel Gray.
Color Details
Flannel Gray vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Flannel Gray on one side and Tranquil Dawn 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 Flannel Gray comparisons
See how Flannel Gray stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 42), opening up a space where Flannel Gray encloses it.
At LRV 69 vs 42, Ammonite is decisively the brighter choice.
Flannel Gray reflects far more light (LRV 42 vs 6), opening up a space where Iron Ore encloses it.
A 10-point LRV gap (52 vs 42) makes Purbeck Stone the marginally brighter of the two.
A 12-point LRV gap (42 vs 30) makes Flannel Gray the marginally brighter of the two.
Mizzle reads slightly lighter (LRV 52 vs 42), a gap that shows most in low-lit rooms.
At LRV 60 vs 42, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 42), opening up a space where Flannel Gray encloses it.
Flannel Gray reflects far more light (LRV 42 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 42), so neither reads brighter in a room.
At LRV 42 vs 4, Flannel Gray is decisively the brighter choice.
Flannel Gray reflects far more light (LRV 42 vs 13), opening up a space where Bancha encloses it.
With LRVs of 44 and 42, the two reflect almost the same amount of light.
At LRV 84 vs 42, Pure White is decisively the brighter choice.
At LRV 42 vs 21, Flannel Gray is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 42), opening up a space where Flannel Gray encloses it.
Shoji White reflects far more light (LRV 74 vs 42), opening up a space where Flannel Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 42), opening up a space where Flannel Gray encloses it.
Flannel Gray reflects far more light (LRV 42 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 42), opening up a space where Flannel Gray encloses it.
Their light reflectance is nearly identical (LRV 42 vs 41), so neither reads brighter in a room.
At LRV 68 vs 42, Calamine is decisively the brighter choice.
At LRV 42 vs 25, Flannel Gray is decisively the brighter choice.
Flannel Gray reflects far more light (LRV 42 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 42), a gap that shows most in low-lit rooms.
A 11-point LRV gap (42 vs 31) makes Flannel Gray the marginally brighter of the two.
At LRV 42 vs 7, Flannel Gray is decisively the brighter choice.
At LRV 42 vs 24, Flannel Gray is decisively the brighter choice.
At LRV 57 vs 42, Guilford Green is decisively the brighter choice.
At LRV 72 vs 42, Just Walnut is decisively the brighter choice.