Tranquil Dawn vs Simple Stone
Where Tranquil Dawn belongs to Dulux's range, Simple Stone is a Sherwin-Williams color. Tranquil Dawn reads as green-grey, while Simple Stone reads as beige-greige — two distinct hue families, not close cousins. They have nearly identical light reflectance values (55 vs 57), so they'll read as similarly Medium in most lighting conditions. Tranquil Dawn runs neutral while Simple Stone is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 5.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Tranquil Dawn vs Simple Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Simple Stone 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 Tranquil Dawn comparisons
See how Tranquil Dawn stacks up against other well-photographed colors across different brands and tones.
