Tranquil Dawn vs Agreeable Gray
Where Tranquil Dawn belongs to Dulux's range, Agreeable Gray is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Agreeable Gray to the greige-grey family. Agreeable Gray (LRV 60) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Agreeable Gray is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 5.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 8 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Agreeable Gray in Real Spaces
8 real rooms side by side. Tranquil Dawn and Agreeable Gray 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.
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 brightness difference is modest but present — Agreeable Gray gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Agreeable Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Agreeable Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Agreeable Gray has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Agreeable Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
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. Agreeable Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Mudroom
Mudrooms are seen in passing, often under whatever light comes through the door — a context that favors colors with some depth. Agreeable Gray has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Agreeable Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Tranquil Dawn vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Agreeable Gray 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.
At LRV 69 vs 55, Ammonite is decisively the brighter choice.
White Dove 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 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.
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.
A 4-point LRV gap (55 vs 51) makes Tranquil Dawn the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Pewter Green encloses it.
Tranquil Dawn reflects far more light (LRV 55 vs 8), opening up a space where Duck 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.
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.