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.
