Cathedral Gray vs Precipitation
Cathedral Gray (Behr) and Precipitation (PPG) come from different manufacturers. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. Their light reflectance values are nearly the same — 40 vs 41 — so neither will read significantly brighter or darker than the other. A ΔE of 1.6 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cathedral Gray vs Precipitation in Real Spaces
3 real rooms side by side. Cathedral Gray and Precipitation 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. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Color Details
Cathedral Gray vs Precipitation Simulated Comparison
5 simulated room previews — drag the slider on each to see Cathedral Gray on one side and Precipitation 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 Cathedral Gray comparisons
See how Cathedral Gray stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 40, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 40), opening up a space where Cathedral Gray encloses it.
Cathedral Gray reflects far more light (LRV 40 vs 6), opening up a space where Iron Ore encloses it.
A 11-point LRV gap (52 vs 40) makes Purbeck Stone the marginally brighter of the two.
A 10-point LRV gap (40 vs 30) makes Cathedral Gray 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 Cathedral Gray encloses it.
Cathedral Gray reflects far more light (LRV 40 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 40), so neither reads brighter in a room.
At LRV 40 vs 4, Cathedral Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 40), opening up a space where Cathedral Gray encloses it.
Cathedral Gray 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, Cathedral Gray is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 40), opening up a space where Cathedral Gray encloses it.
Shoji White reflects far more light (LRV 74 vs 40), opening up a space where Cathedral Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 40), opening up a space where Cathedral Gray encloses it.
A 10-point LRV gap (51 vs 40) makes Pigeon the marginally brighter of the two.
Cathedral Gray reflects far more light (LRV 40 vs 12), opening up a space where Pewter Green encloses it.
Cathedral Gray reflects far more light (LRV 40 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 40), opening up a space where Cathedral Gray encloses it.
Their light reflectance is nearly identical (LRV 41 vs 40), so neither reads brighter in a room.
Cathedral Gray 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 Cathedral Gray the marginally brighter of the two.