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.














































