Tranquil Dawn vs Keystone Gray
Tranquil Dawn (Dulux) and Keystone Gray (Sherwin-Williams) come from different manufacturers. Hue-wise, Tranquil Dawn belongs to the green-grey family and Keystone Gray to the greige-grey family. The 26-point LRV gap — 55 for Tranquil Dawn vs 29 for Keystone Gray — means Tranquil Dawn will open up a space more effectively. Where Tranquil Dawn leans neutral, Keystone Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 18.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Keystone Gray in Real Spaces
2 real rooms side by side. Seeing Tranquil Dawn and Keystone Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than Keystone Gray would.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Tranquil Dawn returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Tranquil Dawn vs Keystone Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Keystone Gray 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.
