Castle Peak Gray vs Pompeian Ash
Where Castle Peak Gray belongs to Benjamin Moore's range, Pompeian Ash is a Little Greene color. Castle Peak Gray reads as greige-grey, while Pompeian Ash reads as green-grey — two distinct hue families, not close cousins. Castle Peak Gray (LRV 15) reflects noticeably more light than Pompeian Ash (LRV 11), a difference of 4 points that becomes especially apparent in rooms with limited natural light. Castle Peak Gray runs yellow while Pompeian Ash is decidedly green, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.0 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Castle Peak Gray vs Pompeian Ash in Real Spaces
1 real room side by side. Castle Peak Gray and Pompeian Ash 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.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Castle Peak Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Castle Peak Gray vs Pompeian Ash Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Peak Gray on one side and Pompeian Ash 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 Castle Peak Gray comparisons
See how Castle Peak Gray stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 15, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 15), opening up a space where Castle Peak Gray encloses it.
Castle Peak Gray reads slightly lighter (LRV 15 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 15, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 15, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 15), opening up a space where Castle Peak Gray encloses it.
At LRV 60 vs 15, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 15), opening up a space where Castle Peak Gray encloses it.
Denim Drift reflects far more light (LRV 27 vs 15), opening up a space where Castle Peak Gray encloses it.
At LRV 43 vs 15, French Gray is decisively the brighter choice.
A 10-point LRV gap (15 vs 4) makes Castle Peak Gray the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 15), opening up a space where Castle Peak Gray encloses it.
With LRVs of 15 and 13, the two reflect almost the same amount of light.
Hardwick White reflects far more light (LRV 44 vs 15), opening up a space where Castle Peak Gray encloses it.
At LRV 84 vs 15, Pure White is decisively the brighter choice.
A 7-point LRV gap (21 vs 15) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 15), opening up a space where Castle Peak Gray encloses it.
Shoji White reflects far more light (LRV 74 vs 15), opening up a space where Castle Peak Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 15), opening up a space where Castle Peak Gray encloses it.
At LRV 51 vs 15, Pigeon is decisively the brighter choice.
With LRVs of 15 and 12, the two reflect almost the same amount of light.
Castle Peak Gray reads slightly lighter (LRV 15 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 15), opening up a space where Castle Peak Gray encloses it.
At LRV 41 vs 15, Dix Blue is decisively the brighter choice.
With LRVs of 15 and 12, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 15), opening up a space where Castle Peak Gray encloses it.
At LRV 31 vs 15, Pale Green is decisively the brighter choice.