Poolside Blue vs Tranquil Dawn
Poolside Blue is a Benjamin Moore color while Tranquil Dawn comes from Dulux. Poolside Blue reads as blue, while Tranquil Dawn reads as green-grey — two distinct hue families, not close cousins. At LRV 55 vs 40, Tranquil Dawn will read as the brighter of the two — a 15-point gap that matters most in north-facing or low-light rooms. The tonal difference — Poolside Blue's blue character against Tranquil Dawn's neutral — becomes most visible against white trim or in morning light. At ΔE 37.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Poolside Blue vs Tranquil Dawn in Real Spaces
3 real rooms side by side. Seeing Poolside Blue 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
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.
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 Poolside Blue 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 Poolside Blue.
Color Details
Poolside Blue vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Poolside Blue 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 Poolside Blue comparisons
See how Poolside Blue stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 40), opening up a space where Poolside Blue encloses it.
At LRV 69 vs 40, Ammonite is decisively the brighter choice.
Poolside Blue reflects far more light (LRV 40 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 40, Purbeck Stone is decisively the brighter choice.
A 9-point LRV gap (40 vs 30) makes Poolside Blue the marginally brighter of the two.
Mizzle reads slightly lighter (LRV 52 vs 40), a gap that shows most in low-lit rooms.
At LRV 60 vs 40, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 40), opening up a space where Poolside Blue encloses it.
Poolside Blue reflects far more light (LRV 40 vs 27), opening up a space where Denim Drift encloses it.
A 3-point LRV gap (43 vs 40) makes French Gray the marginally brighter of the two.
At LRV 40 vs 4, Poolside Blue is decisively the brighter choice.
Poolside Blue reflects far more light (LRV 40 vs 13), opening up a space where Bancha encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 40), a gap that shows most in low-lit rooms.
At LRV 84 vs 40, Pure White is decisively the brighter choice.
At LRV 40 vs 21, Poolside Blue is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 40), opening up a space where Poolside Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 40), opening up a space where Poolside Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 40), opening up a space where Poolside Blue encloses it.
Poolside Blue reflects far more light (LRV 40 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 40), opening up a space where Poolside Blue encloses it.
Their light reflectance is nearly identical (LRV 41 vs 40), so neither reads brighter in a room.
At LRV 68 vs 40, Calamine is decisively the brighter choice.
At LRV 40 vs 25, Poolside Blue is decisively the brighter choice.
Poolside Blue reflects far more light (LRV 40 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 40), a gap that shows most in low-lit rooms.
A 9-point LRV gap (40 vs 31) makes Poolside Blue the marginally brighter of the two.
At LRV 40 vs 7, Poolside Blue is decisively the brighter choice.
At LRV 40 vs 24, Poolside Blue is decisively the brighter choice.
At LRV 57 vs 40, Guilford Green is decisively the brighter choice.
At LRV 72 vs 40, Just Walnut is decisively the brighter choice.