Power Gray vs Tranquil Dawn
Where Power Gray belongs to Behr's range, Tranquil Dawn is a Dulux color. Power 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 Power Gray (LRV 37), a difference of 18 points that becomes especially apparent in rooms with limited natural light. Power Gray runs blue while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 12.7, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Power Gray vs Tranquil Dawn in Real Spaces
3 real rooms side by side. Seeing Power 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 Power 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 Power Gray.
Home Office
The test for a home office color isn't how it looks in a quick glance — it's whether it still feels right after a full day of work. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Power Gray.
Color Details
Power Gray vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Power 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 Power Gray comparisons
See how Power Gray stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 37, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 37), opening up a space where Power Gray encloses it.
At LRV 37 vs 6, Power Gray is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 37), opening up a space where Power Gray encloses it.
Power Gray reads slightly lighter (LRV 37 vs 30), a gap that shows most in low-lit rooms.
At LRV 52 vs 37, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 37), opening up a space where Power Gray encloses it.
At LRV 58 vs 37, Accessible Beige is decisively the brighter choice.
A 10-point LRV gap (37 vs 27) makes Power Gray the marginally brighter of the two.
French Gray reads slightly lighter (LRV 43 vs 37), a gap that shows most in low-lit rooms.
Power Gray reflects far more light (LRV 37 vs 4), opening up a space where Naval encloses it.
At LRV 37 vs 13, Power Gray is decisively the brighter choice.
A 7-point LRV gap (44 vs 37) makes Hardwick White the marginally brighter of the two.
Pure White reflects far more light (LRV 84 vs 37), opening up a space where Power Gray encloses it.
Power Gray reflects far more light (LRV 37 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 37, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 37, Shoji White is decisively the brighter choice.
At LRV 83 vs 37, Snowbound is decisively the brighter choice.
At LRV 37 vs 12, Power Gray is decisively the brighter choice.
At LRV 68 vs 37, Skimming Stone is decisively the brighter choice.
Dix Blue reads slightly lighter (LRV 41 vs 37), a gap that shows most in low-lit rooms.
Calamine reflects far more light (LRV 68 vs 37), opening up a space where Power Gray encloses it.
Power Gray reflects far more light (LRV 37 vs 25), opening up a space where Treron encloses it.
At LRV 37 vs 12, Power Gray is decisively the brighter choice.
A 8-point LRV gap (45 vs 37) makes Saybrook Sage the marginally brighter of the two.
Power Gray reads slightly lighter (LRV 37 vs 31), a gap that shows most in low-lit rooms.
Power Gray reflects far more light (LRV 37 vs 7), opening up a space where Pine Needle encloses it.
Power Gray reflects far more light (LRV 37 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reflects far more light (LRV 57 vs 37), opening up a space where Power Gray encloses it.
Just Walnut reflects far more light (LRV 72 vs 37), opening up a space where Power Gray encloses it.