Cannon Ball vs Thunder Clouds

Both are Dulux colors. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. At LRV 17 vs 11, Thunder Clouds will read as the brighter of the two — a 6-point gap that matters most in north-facing or low-light rooms. They share a neutral quality — useful to know if you're layering them in the same space. At ΔE 9.5, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.