Knoxville Gray vs Thunder Clouds
Knoxville Gray is a Benjamin Moore color while Thunder Clouds comes from Dulux. Knoxville Gray reads as blue-grey, while Thunder Clouds reads as grey — two distinct hue families, not close cousins. With LRVs of 16 and 17, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Knoxville Gray's blue character against Thunder Clouds's neutral — becomes most visible against white trim or in morning light. At ΔE 4.4, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Knoxville Gray vs Thunder Clouds in Real Spaces
1 real room side by side. Knoxville Gray and Thunder Clouds 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.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Knoxville Gray vs Thunder Clouds Simulated Comparison
5 simulated room previews — drag the slider on each to see Knoxville Gray on one side and Thunder Clouds 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 Knoxville Gray comparisons
See how Knoxville Gray stacks up against other well-photographed colors across different brands and tones.
