Tranquil Dawn vs Improbable
Tranquil Dawn is a Dulux color while Improbable comes from PPG. Tranquil Dawn reads as green-grey, while Improbable reads as grey — two distinct hue families, not close cousins. At LRV 55 vs 17, Tranquil Dawn will read as the brighter of the two — a 38-point gap that matters most in north-facing or low-light rooms. At ΔE 30.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 7 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Improbable in Real Spaces
7 real rooms side by side. Seeing Tranquil Dawn and Improbable 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Tranquil Dawn returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than Improbable would.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than Improbable would.
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. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Improbable.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than Improbable would.
Home Office
In a home office, wall color sits in your peripheral vision for hours at a time, so temperature and undertone matter more than you might expect. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than Improbable would.
Mudroom
A mudroom color needs to hold up under the most casual scrutiny: a glance as you're coming and going, often in mixed or artificial light. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Improbable.
Color Details
Tranquil Dawn vs Improbable Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Improbable 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 Tranquil Dawn comparisons
See how Tranquil Dawn stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 55), opening up a space where Tranquil Dawn encloses it.
At LRV 69 vs 55, Ammonite is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 6), opening up a space where Iron Ore encloses it.
A 3-point LRV gap (55 vs 52) makes Tranquil Dawn the marginally brighter of the two.
At LRV 55 vs 30, Tranquil Dawn is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 52), a gap that shows most in low-lit rooms.
A 5-point LRV gap (60 vs 55) makes Agreeable Gray the marginally brighter of the two.
With LRVs of 58 and 55, the two reflect almost the same amount of light.
Tranquil Dawn reflects far more light (LRV 55 vs 27), opening up a space where Denim Drift encloses it.
A 12-point LRV gap (55 vs 43) makes Tranquil Dawn the marginally brighter of the two.
At LRV 55 vs 4, Tranquil Dawn is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 13), opening up a space where Bancha encloses it.
Tranquil Dawn reads slightly lighter (LRV 55 vs 44), a gap that shows most in low-lit rooms.
At LRV 84 vs 55, Pure White is decisively the brighter choice.
At LRV 55 vs 21, Tranquil Dawn is decisively the brighter choice.
Balboa Mist reads slightly lighter (LRV 66 vs 55), a gap that shows most in low-lit rooms.
Shoji White reflects far more light (LRV 74 vs 55), opening up a space where Tranquil Dawn encloses it.
Snowbound reflects far more light (LRV 83 vs 55), opening up a space where Tranquil Dawn encloses it.
Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 55), opening up a space where Tranquil Dawn encloses it.
At LRV 55 vs 41, Tranquil Dawn is decisively the brighter choice.
At LRV 68 vs 55, Calamine is decisively the brighter choice.
At LRV 55 vs 25, Tranquil Dawn is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Vintage Vogue encloses it.
Tranquil Dawn reads slightly lighter (LRV 55 vs 45), a gap that shows most in low-lit rooms.
At LRV 55 vs 31, Tranquil Dawn is decisively the brighter choice.
At LRV 55 vs 7, Tranquil Dawn is decisively the brighter choice.
At LRV 55 vs 24, Tranquil Dawn is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 57 vs 55), so neither reads brighter in a room.
At LRV 72 vs 55, Just Walnut is decisively the brighter choice.