Rock Salt vs Tranquil Dawn
Rock Salt and Tranquil Dawn come from the same Dulux collection. Rock Salt reads as white, while Tranquil Dawn reads as green-grey — two distinct hue families, not close cousins. The 28-point LRV gap — 83 for Rock Salt vs 55 for Tranquil Dawn — means Rock Salt will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 15.4 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Rock Salt vs Tranquil Dawn in Real Spaces
3 real rooms side by side. Seeing Rock Salt and Tranquil Dawn in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Rock Salt reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Rock Salt returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Rock Salt returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Rock Salt vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Rock Salt on one side and Tranquil Dawn 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 Rock Salt comparisons
See how Rock Salt stacks up against other well-photographed colors across different brands and tones.


Their light reflectance is nearly identical (LRV 83 vs 83), so neither reads brighter in a room.


Rock Salt reflects far more light (LRV 83 vs 52), opening up a space where Purbeck Stone encloses it.


Rock Salt reflects far more light (LRV 83 vs 30), opening up a space where Evergreen Fog encloses it.


Rock Salt reflects far more light (LRV 83 vs 60), opening up a space where Agreeable Gray encloses it.


At LRV 83 vs 58, Rock Salt is decisively the brighter choice.


At LRV 83 vs 27, Rock Salt is decisively the brighter choice.


Rock Salt reflects far more light (LRV 83 vs 43), opening up a space where French Gray encloses it.


At LRV 83 vs 44, Rock Salt is decisively the brighter choice.


With LRVs of 84 and 83, the two reflect almost the same amount of light.


At LRV 83 vs 66, Rock Salt is decisively the brighter choice.


A 9-point LRV gap (83 vs 74) makes Rock Salt the marginally brighter of the two.


At LRV 83 vs 12, Rock Salt is decisively the brighter choice.


At LRV 83 vs 8, Rock Salt is decisively the brighter choice.


At LRV 83 vs 68, Rock Salt is decisively the brighter choice.


At LRV 83 vs 12, Rock Salt is decisively the brighter choice.


At LRV 83 vs 45, Rock Salt is decisively the brighter choice.


Rock Salt reflects far more light (LRV 83 vs 31), opening up a space where Pale Green encloses it.


Rock Salt reflects far more light (LRV 83 vs 7), opening up a space where Pine Needle encloses it.



























