Castle Peak Gray vs Agreeable Gray
Where Castle Peak Gray belongs to Benjamin Moore's range, Agreeable Gray is a Sherwin-Williams color. Both sit in the greige-grey family, which is useful context if you're narrowing within a single hue direction. Agreeable Gray (LRV 60) reflects noticeably more light than Castle Peak Gray (LRV 15), a difference of 46 points that becomes especially apparent in rooms with limited natural light. Castle Peak Gray runs yellow while Agreeable Gray is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 38.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 Agreeable Gray in Real Spaces
1 real room side by side. Seeing Castle Peak Gray and Agreeable Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Castle Peak Gray.
Color Details
Castle Peak Gray vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Castle Peak Gray on one side and Agreeable Gray 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.
White Dove reflects far more light (LRV 83 vs 15), opening up a space where Castle Peak Gray encloses it.
At LRV 69 vs 15, Ammonite is decisively the brighter choice.
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.
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.
With LRVs of 15 and 12, the two reflect almost the same amount of light.
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.
At LRV 68 vs 15, Calamine is decisively the brighter choice.
A 10-point LRV gap (25 vs 15) makes Treron the marginally brighter of the two.
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.
A 8-point LRV gap (15 vs 7) makes Castle Peak Gray the marginally brighter of the two.
A 10-point LRV gap (24 vs 15) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 15, Guilford Green is decisively the brighter choice.
At LRV 72 vs 15, Just Walnut is decisively the brighter choice.