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.














































