Agate Grey vs Online
Where Agate Grey belongs to RAL Classic's range, Online is a Sherwin-Williams color. Agate Grey reads as green-grey, while Online reads as grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (45 vs 45), so they'll read as similarly Medium in most lighting conditions. The ΔE 4.3 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Agate Grey vs Online in Real Spaces
1 real room side by side. Agate Grey and Online 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. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Agate Grey vs Online Simulated Comparison
5 simulated room previews — drag the slider on each to see Agate Grey on one side and Online 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.
