Gladiator Gray vs Thunderous
Gladiator Gray is a Behr color while Thunderous comes from Sherwin-Williams. Hue-wise, Gladiator Gray belongs to the greige-grey family and Thunderous to the grey family. With LRVs of 15 and 15, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Gladiator Gray's yellow character against Thunderous's neutral — becomes most visible against white trim or in morning light. With a ΔE of 2.4, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Gladiator Gray vs Thunderous in Real Spaces
5 real rooms side by side. Gladiator Gray and Thunderous 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.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Thunderous reads more restrained here, while Gladiator Gray adds a sense of enclosure and warmth.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The temperature contrast between Gladiator Gray and Thunderous is what sets these apart most in this context.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The temperature contrast between Gladiator Gray and Thunderous is what sets these apart most in this context.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The temperature contrast between Gladiator Gray and Thunderous is what sets these apart most in this context.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Thunderous reads more restrained here, while Gladiator Gray adds a sense of enclosure and warmth.
Color Details
Gladiator Gray vs Thunderous Simulated Comparison
5 simulated room previews — drag the slider on each to see Gladiator Gray on one side and Thunderous 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 Gladiator Gray comparisons
See how Gladiator Gray stacks up against other well-photographed colors across different brands and tones.
