Tranquil Dawn vs Mushroom
Where Tranquil Dawn belongs to Dulux's range, Mushroom is a Sherwin-Williams color. Tranquil Dawn reads as green-grey, while Mushroom 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 Mushroom is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Mushroom in Real Spaces
1 real room side by side. Tranquil Dawn and Mushroom 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.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The temperature contrast between Mushroom and Tranquil Dawn is what sets these apart most in this context.
Color Details
Tranquil Dawn vs Mushroom Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Mushroom 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.










































