Thunder Clouds vs Agreeable Gray
Thunder Clouds (Dulux) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Thunder Clouds reads as grey, while Agreeable Gray reads as greige-grey — two distinct hue families, not close cousins. The 43-point LRV gap — 60 for Agreeable Gray vs 17 for Thunder Clouds — means Agreeable Gray will open up a space more effectively. Where Thunder Clouds leans neutral, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 37.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Thunder Clouds vs Agreeable Gray in Real Spaces
1 real room side by side. Seeing Thunder Clouds and Agreeable Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Agreeable Gray will make the room feel meaningfully brighter than Thunder Clouds would.
Color Details
Thunder Clouds vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Thunder Clouds on one side and Agreeable 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 Thunder Clouds comparisons
See how Thunder Clouds stacks up against other well-photographed colors across different brands and tones.










































