Portland Gray vs Tranquil Dawn
Portland Gray is a Benjamin Moore color while Tranquil Dawn comes from Dulux. Hue-wise, Portland Gray belongs to the greige-grey family and Tranquil Dawn to the green-grey family. At LRV 60 vs 55, Portland Gray will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. The tonal difference — Portland Gray's red character against Tranquil Dawn's neutral — becomes most visible against white trim or in morning light. At ΔE 7.1, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Portland Gray vs Tranquil Dawn in Real Spaces
2 real rooms side by side. Portland Gray 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.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Portland Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The brightness difference is modest but present — Portland Gray gives the walls a little more lift.
Color Details
Portland Gray vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Portland 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 Portland Gray comparisons
See how Portland Gray stacks up against other well-photographed colors across different brands and tones.
