Gray Stone vs Agate Grey
Where Gray Stone belongs to PPG's range, Agate Grey is a RAL Classic color. Hue-wise, Gray Stone belongs to the grey family and Agate Grey to the green-grey family. They have nearly identical light reflectance values (47 vs 45), so they'll read as similarly Medium in most lighting conditions. At ΔE 2.9, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Gray Stone vs Agate Grey in Real Spaces
1 real room side by side. Gray Stone and Agate Grey 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
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Color Details
Gray Stone vs Agate Grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Gray Stone on one side and Agate Grey 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 Gray Stone comparisons
See how Gray Stone stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 47), opening up a space where Gray Stone encloses it.
At LRV 83 vs 47, White Dove is decisively the brighter choice.
At LRV 47 vs 6, Gray Stone is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 47), a gap that shows most in low-lit rooms.
Gray Stone reflects far more light (LRV 47 vs 30), opening up a space where Evergreen Fog encloses it.
A 5-point LRV gap (52 vs 47) makes Mizzle the marginally brighter of the two.
Agreeable Gray reflects far more light (LRV 60 vs 47), opening up a space where Gray Stone encloses it.
A 11-point LRV gap (58 vs 47) makes Accessible Beige the marginally brighter of the two.
At LRV 47 vs 27, Gray Stone is decisively the brighter choice.
Gray Stone reads slightly lighter (LRV 47 vs 43), a gap that shows most in low-lit rooms.
Gray Stone reflects far more light (LRV 47 vs 4), opening up a space where Naval encloses it.
A 8-point LRV gap (55 vs 47) makes Tranquil Dawn the marginally brighter of the two.
At LRV 47 vs 13, Gray Stone is decisively the brighter choice.
A 3-point LRV gap (47 vs 44) makes Gray Stone the marginally brighter of the two.
Pure White reflects far more light (LRV 84 vs 47), opening up a space where Gray Stone encloses it.
Gray Stone reflects far more light (LRV 47 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 47, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 47, Shoji White is decisively the brighter choice.
At LRV 83 vs 47, Snowbound is decisively the brighter choice.
Pigeon reads slightly lighter (LRV 51 vs 47), a gap that shows most in low-lit rooms.
At LRV 47 vs 12, Gray Stone is decisively the brighter choice.
At LRV 47 vs 8, Gray Stone is decisively the brighter choice.
At LRV 68 vs 47, Skimming Stone is decisively the brighter choice.
Gray Stone reads slightly lighter (LRV 47 vs 41), a gap that shows most in low-lit rooms.
At LRV 47 vs 12, Gray Stone is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 47 vs 45), so neither reads brighter in a room.
Gray Stone reflects far more light (LRV 47 vs 31), opening up a space where Pale Green encloses it.