Sky Blue vs Cay
Sky Blue (Little Greene) and Cay (Sherwin-Williams) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 3-point LRV gap — 61 for Sky Blue vs 58 for Cay — means Sky Blue will open up a space more effectively. Where Sky Blue leans blue, Cay reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 3.0 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Sky Blue vs Cay in Real Spaces
1 real room side by side. Sky Blue and Cay 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. Sky Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Sky Blue vs Cay Simulated Comparison
5 simulated room previews — drag the slider on each to see Sky Blue 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 Sky Blue comparisons
See how Sky Blue stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 61), opening up a space where Sky Blue encloses it.
A 9-point LRV gap (61 vs 52) makes Sky Blue the marginally brighter of the two.
At LRV 61 vs 30, Sky Blue is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 61 vs 60), so neither reads brighter in a room.
Sky Blue reads slightly lighter (LRV 61 vs 58), a gap that shows most in low-lit rooms.
Sky Blue reflects far more light (LRV 61 vs 27), opening up a space where Denim Drift encloses it.
At LRV 61 vs 43, Sky Blue is decisively the brighter choice.
Sky Blue reads slightly lighter (LRV 61 vs 55), a gap that shows most in low-lit rooms.
Sky Blue reflects far more light (LRV 61 vs 44), opening up a space where Hardwick White encloses it.
At LRV 84 vs 61, Pure White is decisively the brighter choice.
Balboa Mist reads slightly lighter (LRV 66 vs 61), a gap that shows most in low-lit rooms.
Shoji White reflects far more light (LRV 74 vs 61), opening up a space where Sky Blue encloses it.
Sky Blue reflects far more light (LRV 61 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reads slightly lighter (LRV 68 vs 61), a gap that shows most in low-lit rooms.
Sky Blue reflects far more light (LRV 61 vs 12), opening up a space where Vintage Vogue encloses it.
Sky Blue reflects far more light (LRV 61 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 61 vs 31, Sky Blue is decisively the brighter choice.
At LRV 61 vs 7, Sky Blue is decisively the brighter choice.
At LRV 61 vs 24, Sky Blue is decisively the brighter choice.
A 4-point LRV gap (61 vs 57) makes Sky Blue the marginally brighter of the two.