Stone Harbor vs Tranquil Dawn
Where Stone Harbor belongs to Benjamin Moore's range, Tranquil Dawn is a Dulux color. Hue-wise, Stone Harbor belongs to the grey family and Tranquil Dawn to the green-grey family. Tranquil Dawn (LRV 55) reflects noticeably more light than Stone Harbor (LRV 43), a difference of 12 points that becomes especially apparent in rooms with limited natural light. Stone Harbor runs red while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 7.8 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Stone Harbor vs Tranquil Dawn in Real Spaces
2 real rooms side by side. Stone Harbor and Tranquil Dawn are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
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 Stone Harbor 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 Stone Harbor.
Color Details
Stone Harbor vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Stone Harbor 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 Stone Harbor comparisons
See how Stone Harbor stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 43), opening up a space where Stone Harbor encloses it.
At LRV 69 vs 43, Ammonite is decisively the brighter choice.
Stone Harbor reflects far more light (LRV 43 vs 6), opening up a space where Iron Ore encloses it.
A 9-point LRV gap (52 vs 43) makes Purbeck Stone the marginally brighter of the two.
At LRV 43 vs 30, Stone Harbor is decisively the brighter choice.
Mizzle reads slightly lighter (LRV 52 vs 43), a gap that shows most in low-lit rooms.
At LRV 60 vs 43, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 43), opening up a space where Stone Harbor encloses it.
Stone Harbor reflects far more light (LRV 43 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 43), so neither reads brighter in a room.
At LRV 43 vs 4, Stone Harbor is decisively the brighter choice.
Stone Harbor reflects far more light (LRV 43 vs 13), opening up a space where Bancha encloses it.
With LRVs of 44 and 43, the two reflect almost the same amount of light.
At LRV 84 vs 43, Pure White is decisively the brighter choice.
At LRV 43 vs 21, Stone Harbor is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 43), opening up a space where Stone Harbor encloses it.
Shoji White reflects far more light (LRV 74 vs 43), opening up a space where Stone Harbor encloses it.
Snowbound reflects far more light (LRV 83 vs 43), opening up a space where Stone Harbor encloses it.
Stone Harbor reflects far more light (LRV 43 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 43), opening up a space where Stone Harbor encloses it.
Their light reflectance is nearly identical (LRV 43 vs 41), so neither reads brighter in a room.
At LRV 68 vs 43, Calamine is decisively the brighter choice.
At LRV 43 vs 25, Stone Harbor is decisively the brighter choice.
Stone Harbor reflects far more light (LRV 43 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 45 and 43, the two reflect almost the same amount of light.
A 12-point LRV gap (43 vs 31) makes Stone Harbor the marginally brighter of the two.
At LRV 43 vs 7, Stone Harbor is decisively the brighter choice.
At LRV 43 vs 24, Stone Harbor is decisively the brighter choice.
At LRV 57 vs 43, Guilford Green is decisively the brighter choice.
At LRV 72 vs 43, Just Walnut is decisively the brighter choice.