Stonybrook vs Tranquil Dawn
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.
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.
Color Details
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.
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.












































