Stonybrook vs Tranquil Dawn

StonybrookBenjamin MoorevsTranquil DawnDuluxΔE 17.9Distinct difference

Where Stonybrook belongs to Benjamin Moore's range, Tranquil Dawn is a Dulux color. Stonybrook 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 Stonybrook (LRV 29), a difference of 26 points that becomes especially apparent in rooms with limited natural light. Stonybrook runs green while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 17.9, 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.

Stonybrook vs Tranquil Dawn in Real Spaces

2 real rooms side by side. Seeing Stonybrook 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 Stonybrook would.

StonybrookBenjamin Moore Stonybrook Living Room

@athomeinthehadleyhouse

Tranquil DawnDulux Tranquil Dawn living room fireplace review

@gwynfa_renovation

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 Stonybrook.

StonybrookBathroom

@diywithkatandty

Tranquil DawnDulux Tranquil Dawn bathroom paint

@thesuffolkmanse

Color Details

Stonybrook
Benjamin Moore · 1566
Hex#8B9490
LRV29.3
BrandBenjamin Moore
Number1566
UndertoneGreen
TemperatureNeutral
BrightnessMedium
Tranquil Dawn
Dulux · 45GY 55/052
Hex#BDC3B9
LRV55.0
BrandDulux
Number45GY 55/052
Undertone
TemperatureNeutral
BrightnessMedium

Stonybrook vs Tranquil Dawn Simulated Comparison

5 simulated room previews — drag the slider on each to see Stonybrook on one side and Tranquil Dawn on the other.

Bathroom
Bedroom
House
Kitchen Cabinets
Living Room

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 Stonybrook comparisons

See how Stonybrook stacks up against other well-photographed colors across different brands and tones.

Stonybrook
White Dove
Stonybrook
White Dove
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 83 vs 29, White Dove is decisively the brighter choice.

Stonybrook
Ammonite
Stonybrook
Ammonite
Benjamin Moore
Stonybrook
1566 · LRV 29
Farrow & Ball
Ammonite
LRV 69

Ammonite reflects far more light (LRV 69 vs 29), opening up a space where Stonybrook encloses it.

Stonybrook
Iron Ore
Stonybrook
Iron Ore
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 29 vs 6, Stonybrook is decisively the brighter choice.

Stonybrook
Purbeck Stone
Stonybrook
Purbeck Stone
Benjamin Moore
Stonybrook
1566 · LRV 29

Purbeck Stone reflects far more light (LRV 52 vs 29), opening up a space where Stonybrook encloses it.

Stonybrook
Evergreen Fog
Stonybrook
Evergreen Fog
Benjamin Moore
Stonybrook
1566 · LRV 29

With LRVs of 30 and 29, the two reflect almost the same amount of light.

Stonybrook
Mizzle
Stonybrook
Mizzle
Benjamin Moore
Stonybrook
1566 · LRV 29
Farrow & Ball
Mizzle
LRV 52

At LRV 52 vs 29, Mizzle is decisively the brighter choice.

Stonybrook
Agreeable Gray
Stonybrook
Agreeable Gray
Benjamin Moore
Stonybrook
1566 · LRV 29

Agreeable Gray reflects far more light (LRV 60 vs 29), opening up a space where Stonybrook encloses it.

Stonybrook
Accessible Beige
Stonybrook
Accessible Beige
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 58 vs 29, Accessible Beige is decisively the brighter choice.

Stonybrook
Denim Drift
Stonybrook
Denim Drift
Benjamin Moore
Stonybrook
1566 · LRV 29

Their light reflectance is nearly identical (LRV 29 vs 27), so neither reads brighter in a room.

Stonybrook
French Gray
Stonybrook
French Gray
Benjamin Moore
Stonybrook
1566 · LRV 29

French Gray reflects far more light (LRV 43 vs 29), opening up a space where Stonybrook encloses it.

Stonybrook
Naval
Stonybrook
Naval
Benjamin Moore
Stonybrook
1566 · LRV 29
Sherwin-Williams
Naval
LRV 4

Stonybrook reflects far more light (LRV 29 vs 4), opening up a space where Naval encloses it.

Stonybrook
Bancha
Stonybrook
Bancha
Benjamin Moore
Stonybrook
1566 · LRV 29
Farrow & Ball
Bancha
LRV 13

At LRV 29 vs 13, Stonybrook is decisively the brighter choice.

Stonybrook
Hardwick White
Stonybrook
Hardwick White
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 44 vs 29, Hardwick White is decisively the brighter choice.

Stonybrook
Pure White
Stonybrook
Pure White
Benjamin Moore
Stonybrook
1566 · LRV 29

Pure White reflects far more light (LRV 84 vs 29), opening up a space where Stonybrook encloses it.

Stonybrook
Artichoke
Stonybrook
Artichoke
Benjamin Moore
Stonybrook
1566 · LRV 29
Sherwin-Williams
Artichoke
LRV 21

Stonybrook reads slightly lighter (LRV 29 vs 21), a gap that shows most in low-lit rooms.

Balboa Mist
Stonybrook
Balboa Mist
Stonybrook
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 66 vs 29, Balboa Mist is decisively the brighter choice.

Stonybrook
Shoji White
Stonybrook
Shoji White
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 74 vs 29, Shoji White is decisively the brighter choice.

Stonybrook
Snowbound
Stonybrook
Snowbound
Benjamin Moore
Stonybrook
1566 · LRV 29
Sherwin-Williams
Snowbound
LRV 83

At LRV 83 vs 29, Snowbound is decisively the brighter choice.

Stonybrook
Pewter Green
Stonybrook
Pewter Green
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 29 vs 12, Stonybrook is decisively the brighter choice.

Stonybrook
Skimming Stone
Stonybrook
Skimming Stone
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 68 vs 29, Skimming Stone is decisively the brighter choice.

Stonybrook
Dix Blue
Stonybrook
Dix Blue
Benjamin Moore
Stonybrook
1566 · LRV 29
Farrow & Ball
Dix Blue
LRV 41

Dix Blue reads slightly lighter (LRV 41 vs 29), a gap that shows most in low-lit rooms.

Stonybrook
Calamine
Stonybrook
Calamine
Benjamin Moore
Stonybrook
1566 · LRV 29
Farrow & Ball
Calamine
LRV 68

Calamine reflects far more light (LRV 68 vs 29), opening up a space where Stonybrook encloses it.

Stonybrook
Treron
Stonybrook
Treron
Benjamin Moore
Stonybrook
1566 · LRV 29
Farrow & Ball
Treron
LRV 25

Stonybrook reads slightly lighter (LRV 29 vs 25), a gap that shows most in low-lit rooms.

Stonybrook
Vintage Vogue
Stonybrook
Vintage Vogue
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 29 vs 12, Stonybrook is decisively the brighter choice.

Saybrook Sage
Stonybrook
Saybrook Sage
Stonybrook
Benjamin Moore
Stonybrook
1566 · LRV 29

At LRV 45 vs 29, Saybrook Sage is decisively the brighter choice.

Stonybrook
Pale Green
Stonybrook
Pale Green
Benjamin Moore
Stonybrook
1566 · LRV 29
RAL ClassicClassic
Pale Green
LRV 31

With LRVs of 31 and 29, the two reflect almost the same amount of light.

Stonybrook
Pine Needle
Stonybrook
Pine Needle
Benjamin Moore
Stonybrook
1566 · LRV 29

Stonybrook reflects far more light (LRV 29 vs 7), opening up a space where Pine Needle encloses it.

Stonybrook
Cement grey
Stonybrook
Cement grey
Benjamin Moore
Stonybrook
1566 · LRV 29
RAL ClassicClassic
Cement grey
LRV 24

Stonybrook reads slightly lighter (LRV 29 vs 24), a gap that shows most in low-lit rooms.

Guilford Green
Stonybrook
Guilford Green
Stonybrook
Benjamin Moore
Stonybrook
1566 · LRV 29

Guilford Green reflects far more light (LRV 57 vs 29), opening up a space where Stonybrook encloses it.

Stonybrook
Just Walnut
Stonybrook
Just Walnut
Benjamin Moore
Stonybrook
1566 · LRV 29

Just Walnut reflects far more light (LRV 72 vs 29), opening up a space where Stonybrook encloses it.