Rock Salt vs French Gray
Rock Salt is a Dulux color while French Gray comes from Farrow & Ball. Hue-wise, Rock Salt belongs to the white family and French Gray to the beige-greige family. At LRV 83 vs 43, Rock Salt will read as the brighter of the two — a 40-point gap that matters most in north-facing or low-light rooms. The tonal difference — Rock Salt's neutral character against French Gray's warm — becomes most visible against white trim or in morning light. At ΔE 23.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Rock Salt vs French Gray in Real Spaces
2 real rooms side by side. Seeing Rock Salt and French Gray 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
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. 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
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Rock Salt will make the room feel meaningfully brighter than French Gray would.
Color Details
Rock Salt vs French Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Rock Salt on one side and French 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 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.


At LRV 83 vs 55, Rock Salt is decisively the brighter choice.


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.

























