Tranquil Dawn vs S 3005-G20Y
Tranquil Dawn is a Dulux color while S 3005-G20Y comes from NCS. Tranquil Dawn reads as green-grey, while S 3005-G20Y reads as grey — two distinct hue families, not close cousins. At LRV 55 vs 40, Tranquil Dawn will read as the brighter of the two — a 15-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 8.4, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs S 3005-G20Y in Real Spaces
2 real rooms side by side. Tranquil Dawn and S 3005-G20Y 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Tranquil Dawn returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than S 3005-G20Y would.
Color Details
Tranquil Dawn vs S 3005-G20Y Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and S 3005-G20Y 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.
