Celestial Cloud 2 vs Tranquil Aqua
Where Celestial Cloud 2 belongs to Dulux's range, Tranquil Aqua is a Sherwin-Williams color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (32 vs 30), so they'll read as similarly Medium in most lighting conditions. Both lean cool, so they'll behave similarly in mixed or changing light conditions. At ΔE 1.6, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Celestial Cloud 2 vs Tranquil Aqua in Real Spaces
2 real rooms side by side. Celestial Cloud 2 and Tranquil Aqua 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
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Celestial Cloud 2 vs Tranquil Aqua Simulated Comparison
5 simulated room previews — drag the slider on each to see Celestial Cloud 2 on one side and Tranquil Aqua 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 Celestial Cloud 2 comparisons
See how Celestial Cloud 2 stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 32, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 32), opening up a space where Celestial Cloud 2 encloses it.
Celestial Cloud 2 reflects far more light (LRV 32 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 32, Purbeck Stone is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 32 vs 30), so neither reads brighter in a room.
Mizzle reflects far more light (LRV 52 vs 32), opening up a space where Celestial Cloud 2 encloses it.
At LRV 60 vs 32, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 32), opening up a space where Celestial Cloud 2 encloses it.
Celestial Cloud 2 reads slightly lighter (LRV 32 vs 27), a gap that shows most in low-lit rooms.
A 11-point LRV gap (43 vs 32) makes French Gray the marginally brighter of the two.
At LRV 32 vs 4, Celestial Cloud 2 is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 32), opening up a space where Celestial Cloud 2 encloses it.
Celestial Cloud 2 reflects far more light (LRV 32 vs 13), opening up a space where Bancha encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 32), a gap that shows most in low-lit rooms.
At LRV 84 vs 32, Pure White is decisively the brighter choice.
A 11-point LRV gap (32 vs 21) makes Celestial Cloud 2 the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 32), opening up a space where Celestial Cloud 2 encloses it.
Shoji White reflects far more light (LRV 74 vs 32), opening up a space where Celestial Cloud 2 encloses it.
Snowbound reflects far more light (LRV 83 vs 32), opening up a space where Celestial Cloud 2 encloses it.
At LRV 51 vs 32, Pigeon is decisively the brighter choice.
Celestial Cloud 2 reflects far more light (LRV 32 vs 12), opening up a space where Pewter Green encloses it.
Celestial Cloud 2 reflects far more light (LRV 32 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 32), opening up a space where Celestial Cloud 2 encloses it.
A 9-point LRV gap (41 vs 32) makes Dix Blue the marginally brighter of the two.
Celestial Cloud 2 reflects far more light (LRV 32 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reflects far more light (LRV 45 vs 32), opening up a space where Celestial Cloud 2 encloses it.
Their light reflectance is nearly identical (LRV 32 vs 31), so neither reads brighter in a room.