Stone Blue vs Agreeable Gray
Stone Blue (Farrow & Ball) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Hue-wise, Stone Blue belongs to the blue family and Agreeable Gray to the greige-grey family. The 33-point LRV gap — 60 for Agreeable Gray vs 28 for Stone Blue — means Agreeable Gray will open up a space more effectively. Where Stone Blue leans cool, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 27.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 7 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Stone Blue vs Agreeable Gray in Real Spaces
7 real rooms side by side. Seeing Stone Blue 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 reflects noticeably more light off the walls, making the space read more open than Stone Blue.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Stone Blue.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Agreeable Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Stone Blue vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Stone Blue 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 Stone Blue comparisons
See how Stone Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 28, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 28), opening up a space where Stone Blue encloses it.
At LRV 28 vs 6, Stone Blue is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 28), opening up a space where Stone Blue encloses it.
With LRVs of 30 and 28, the two reflect almost the same amount of light.
At LRV 52 vs 28, Mizzle is decisively the brighter choice.
At LRV 58 vs 28, Accessible Beige is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 28 vs 27), so neither reads brighter in a room.
French Gray reflects far more light (LRV 43 vs 28), opening up a space where Stone Blue encloses it.
Stone Blue reflects far more light (LRV 28 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 28, Tranquil Dawn is decisively the brighter choice.
At LRV 28 vs 13, Stone Blue is decisively the brighter choice.
At LRV 44 vs 28, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 28), opening up a space where Stone Blue encloses it.
Stone Blue reads slightly lighter (LRV 28 vs 21), a gap that shows most in low-lit rooms.
At LRV 66 vs 28, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 28, Shoji White is decisively the brighter choice.
At LRV 83 vs 28, Snowbound is decisively the brighter choice.
At LRV 28 vs 12, Stone Blue is decisively the brighter choice.
At LRV 68 vs 28, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 28), opening up a space where Stone Blue encloses it.
Calamine reflects far more light (LRV 68 vs 28), opening up a space where Stone Blue encloses it.
With LRVs of 28 and 25, the two reflect almost the same amount of light.
At LRV 28 vs 12, Stone Blue is decisively the brighter choice.
At LRV 45 vs 28, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 28), a gap that shows most in low-lit rooms.
Stone Blue reflects far more light (LRV 28 vs 7), opening up a space where Pine Needle encloses it.
Stone Blue reads slightly lighter (LRV 28 vs 24), a gap that shows most in low-lit rooms.
Guilford Green reflects far more light (LRV 57 vs 28), opening up a space where Stone Blue encloses it.
Just Walnut reflects far more light (LRV 72 vs 28), opening up a space where Stone Blue encloses it.