Celestial Blue vs Festoon Aqua
Celestial Blue (Little Greene) and Festoon Aqua (Sherwin-Williams) come from different manufacturers. Hue-wise, Celestial Blue belongs to the blue-green family and Festoon Aqua to the blue family. Their light reflectance values are nearly the same — 44 vs 46 — so neither will read significantly brighter or darker than the other. Where Celestial Blue leans green, Festoon Aqua reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 4.1 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Celestial Blue vs Festoon Aqua in Real Spaces
2 real rooms side by side. Celestial Blue and Festoon 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.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. The distinction reads clearly at room scale, making the choice between them concrete.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Celestial Blue vs Festoon Aqua Simulated Comparison
5 simulated room previews — drag the slider on each to see Celestial Blue on one side and Festoon 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 Blue comparisons
See how Celestial Blue stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 44), opening up a space where Celestial Blue encloses it.
At LRV 83 vs 44, White Dove is decisively the brighter choice.
At LRV 44 vs 6, Celestial Blue is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 44), a gap that shows most in low-lit rooms.
Celestial Blue reflects far more light (LRV 44 vs 30), opening up a space where Evergreen Fog encloses it.
A 8-point LRV gap (52 vs 44) makes Mizzle the marginally brighter of the two.
Agreeable Gray reflects far more light (LRV 60 vs 44), opening up a space where Celestial Blue encloses it.
At LRV 58 vs 44, Accessible Beige is decisively the brighter choice.
At LRV 44 vs 27, Celestial Blue is decisively the brighter choice.
With LRVs of 44 and 43, the two reflect almost the same amount of light.
Celestial Blue reflects far more light (LRV 44 vs 4), opening up a space where Naval encloses it.
A 11-point LRV gap (55 vs 44) makes Tranquil Dawn the marginally brighter of the two.
At LRV 44 vs 13, Celestial Blue is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 44 vs 44), so neither reads brighter in a room.
Pure White reflects far more light (LRV 84 vs 44), opening up a space where Celestial Blue encloses it.
Celestial Blue reflects far more light (LRV 44 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 44, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 44, Shoji White is decisively the brighter choice.
At LRV 83 vs 44, Snowbound is decisively the brighter choice.
Pigeon reads slightly lighter (LRV 51 vs 44), a gap that shows most in low-lit rooms.
At LRV 44 vs 12, Celestial Blue is decisively the brighter choice.
At LRV 44 vs 8, Celestial Blue is decisively the brighter choice.
At LRV 68 vs 44, Skimming Stone is decisively the brighter choice.
Celestial Blue reads slightly lighter (LRV 44 vs 41), a gap that shows most in low-lit rooms.
At LRV 44 vs 12, Celestial Blue is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 45 vs 44), so neither reads brighter in a room.
Celestial Blue reflects far more light (LRV 44 vs 31), opening up a space where Pale Green encloses it.