Colorado Gray vs Agate Grey
Colorado Gray (Benjamin Moore) and Agate Grey (RAL Classic) come from different manufacturers. Colorado Gray reads as blue-grey, while Agate Grey reads as green-grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 44 vs 45 — so neither will read significantly brighter or darker than the other. ΔE 9.0 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Colorado Gray vs Agate Grey in Real Spaces
2 real rooms side by side. Colorado Gray 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
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
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. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Color Details
Colorado Gray vs Agate Grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Colorado Gray 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 Colorado Gray comparisons
See how Colorado Gray stacks up against other well-photographed colors across different brands and tones.
