Heather Gray vs Tranquil Dawn
Heather Gray (Benjamin Moore) and Tranquil Dawn (Dulux) come from different manufacturers. Both sit in the green-grey family, which is useful context if you're narrowing within a single hue direction. The 20-point LRV gap — 55 for Tranquil Dawn vs 35 for Heather Gray — means Tranquil Dawn will open up a space more effectively. Where Heather Gray leans green, Tranquil Dawn reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 12.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Heather Gray vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Heather Gray on one side and Tranquil Dawn 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 Heather Gray comparisons
See how Heather Gray stacks up against other well-photographed colors across different brands and tones.








































