Idyllic Isle vs Cay
Idyllic Isle is a PPG color while Cay comes from Sherwin-Williams. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 58 vs 55, Cay will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 4.9, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Idyllic Isle vs Cay Simulated Comparison
5 simulated room previews — drag the slider on each to see Idyllic Isle on one side and Cay 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 Idyllic Isle comparisons
See how Idyllic Isle 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 Idyllic Isle encloses it.
At LRV 69 vs 55, Ammonite is decisively the brighter choice.
Idyllic Isle 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 Idyllic Isle the marginally brighter of the two.
At LRV 55 vs 30, Idyllic Isle is decisively the brighter choice.
Idyllic Isle 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.
Idyllic Isle 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 Idyllic Isle the marginally brighter of the two.
At LRV 55 vs 4, Idyllic Isle is decisively the brighter choice.
With LRVs of 55 and 55, the two reflect almost the same amount of light.
Idyllic Isle reflects far more light (LRV 55 vs 13), opening up a space where Bancha encloses it.
Idyllic Isle 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, Idyllic Isle 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 Idyllic Isle encloses it.
Snowbound reflects far more light (LRV 83 vs 55), opening up a space where Idyllic Isle encloses it.
Idyllic Isle 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 Idyllic Isle encloses it.
At LRV 55 vs 41, Idyllic Isle is decisively the brighter choice.
At LRV 68 vs 55, Calamine is decisively the brighter choice.
At LRV 55 vs 25, Idyllic Isle is decisively the brighter choice.
Idyllic Isle reflects far more light (LRV 55 vs 12), opening up a space where Vintage Vogue encloses it.
Idyllic Isle reads slightly lighter (LRV 55 vs 45), a gap that shows most in low-lit rooms.
At LRV 55 vs 31, Idyllic Isle is decisively the brighter choice.
At LRV 55 vs 7, Idyllic Isle is decisively the brighter choice.
At LRV 55 vs 24, Idyllic Isle is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 57 vs 55), so neither reads brighter in a room.