Portland Stone vs Agreeable Gray
Portland Stone (Little Greene) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Hue-wise, Portland Stone belongs to the beige-greige family and Agreeable Gray to the greige-grey family. The 5-point LRV gap — 60 for Agreeable Gray vs 55 for Portland Stone — means Agreeable Gray will open up a space more effectively. Where Portland Stone leans yellow, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 10.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Portland Stone vs Agreeable Gray in Real Spaces
3 real rooms side by side. Seeing Portland Stone 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.
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. Agreeable Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Agreeable Gray has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Agreeable Gray has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Portland Stone vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Portland Stone 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 Portland Stone comparisons
See how Portland Stone stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 55, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 55), opening up a space where Portland Stone encloses it.
Portland Stone 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 Portland Stone the marginally brighter of the two.
At LRV 55 vs 30, Portland Stone is decisively the brighter choice.
Portland Stone reads slightly lighter (LRV 55 vs 52), a gap that shows most in low-lit rooms.
With LRVs of 58 and 55, the two reflect almost the same amount of light.
Portland Stone 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 Portland Stone the marginally brighter of the two.
At LRV 55 vs 4, Portland Stone is decisively the brighter choice.
With LRVs of 55 and 55, the two reflect almost the same amount of light.
Portland Stone reflects far more light (LRV 55 vs 13), opening up a space where Bancha encloses it.
Portland Stone 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, Portland Stone 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 Portland Stone encloses it.
Snowbound reflects far more light (LRV 83 vs 55), opening up a space where Portland Stone encloses it.
A 5-point LRV gap (55 vs 51) makes Portland Stone the marginally brighter of the two.
Portland Stone reflects far more light (LRV 55 vs 12), opening up a space where Pewter Green encloses it.
Portland Stone reflects far more light (LRV 55 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 55), opening up a space where Portland Stone encloses it.
At LRV 55 vs 41, Portland Stone is decisively the brighter choice.
Portland Stone reflects far more light (LRV 55 vs 12), opening up a space where Vintage Vogue encloses it.
Portland Stone reads slightly lighter (LRV 55 vs 45), a gap that shows most in low-lit rooms.
At LRV 55 vs 31, Portland Stone is decisively the brighter choice.
At LRV 55 vs 7, Portland Stone is decisively the brighter choice.