Agate Grey vs Austere Gray
Where Agate Grey belongs to RAL Classic's range, Austere Gray is a Sherwin-Williams color. Hue-wise, Agate Grey belongs to the green-grey family and Austere Gray to the greige-grey family. Austere Gray (LRV 51) reflects noticeably more light than Agate Grey (LRV 45), a difference of 6 points that becomes especially apparent in rooms with limited natural light. The ΔE 4.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Agate Grey vs Austere Gray in Real Spaces
2 real rooms side by side. Agate Grey and Austere Gray 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. Austere Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Austere Gray reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Agate Grey vs Austere Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Agate Grey on one side and Austere 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 Agate Grey comparisons
See how Agate Grey stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 45), opening up a space where Agate Grey encloses it.
At LRV 69 vs 45, Ammonite is decisively the brighter choice.
Agate Grey reflects far more light (LRV 45 vs 6), opening up a space where Iron Ore encloses it.
A 7-point LRV gap (52 vs 45) makes Purbeck Stone the marginally brighter of the two.
At LRV 45 vs 30, Agate Grey is decisively the brighter choice.
Mizzle reads slightly lighter (LRV 52 vs 45), a gap that shows most in low-lit rooms.
At LRV 60 vs 45, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 45), opening up a space where Agate Grey encloses it.
Agate Grey reflects far more light (LRV 45 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 45 vs 43), so neither reads brighter in a room.
At LRV 45 vs 4, Agate Grey is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 45), a gap that shows most in low-lit rooms.
Agate Grey reflects far more light (LRV 45 vs 13), opening up a space where Bancha encloses it.
With LRVs of 45 and 44, the two reflect almost the same amount of light.
At LRV 84 vs 45, Pure White is decisively the brighter choice.
At LRV 45 vs 21, Agate Grey is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 45), opening up a space where Agate Grey encloses it.
Shoji White reflects far more light (LRV 74 vs 45), opening up a space where Agate Grey encloses it.
Snowbound reflects far more light (LRV 83 vs 45), opening up a space where Agate Grey encloses it.
Agate Grey reflects far more light (LRV 45 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 45), opening up a space where Agate Grey encloses it.
A 4-point LRV gap (45 vs 41) makes Agate Grey the marginally brighter of the two.
At LRV 68 vs 45, Calamine is decisively the brighter choice.
At LRV 45 vs 25, Agate Grey is decisively the brighter choice.
Agate Grey reflects far more light (LRV 45 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 45 and 45, the two reflect almost the same amount of light.
At LRV 45 vs 31, Agate Grey is decisively the brighter choice.
At LRV 45 vs 7, Agate Grey is decisively the brighter choice.
At LRV 45 vs 24, Agate Grey is decisively the brighter choice.
At LRV 57 vs 45, Guilford Green is decisively the brighter choice.