Tranquil Dawn vs Pastel blue
Tranquil Dawn (Dulux) and Pastel blue (RAL Classic) come from different manufacturers. Tranquil Dawn reads as green-grey, while Pastel blue reads as blue — two distinct hue families, not close cousins. The 26-point LRV gap — 55 for Tranquil Dawn vs 29 for Pastel blue — means Tranquil Dawn will open up a space more effectively. A ΔE of 30.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Pastel blue in Real Spaces
1 real room side by side. Seeing Tranquil Dawn and Pastel blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. 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 Pastel blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Pastel blue 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.










































