Neptune Seas vs Dix Blue
Neptune Seas is a Dulux color while Dix Blue comes from Farrow & Ball. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. At LRV 41 vs 19, Dix Blue will read as the brighter of the two — a 22-point gap that matters most in north-facing or low-light rooms. They share a cool quality — useful to know if you're layering them in the same space. At ΔE 21.7, 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.
Neptune Seas vs Dix Blue in Real Spaces
2 real rooms side by side. Seeing Neptune Seas and Dix Blue 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. Dix Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Dix Blue reflects noticeably more light off the walls, making the space read more open than Neptune Seas.
Color Details
Neptune Seas vs Dix Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Neptune Seas on one side and Dix 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 Neptune Seas comparisons
See how Neptune Seas stacks up against other well-photographed colors across different brands and tones.


Ammonite reflects far more light (LRV 69 vs 19), opening up a space where Neptune Seas encloses it.


At LRV 83 vs 19, White Dove is decisively the brighter choice.


At LRV 19 vs 6, Neptune Seas is decisively the brighter choice.


Purbeck Stone reflects far more light (LRV 52 vs 19), opening up a space where Neptune Seas encloses it.


Evergreen Fog reads slightly lighter (LRV 30 vs 19), a gap that shows most in low-lit rooms.


At LRV 52 vs 19, Mizzle is decisively the brighter choice.


Agreeable Gray reflects far more light (LRV 60 vs 19), opening up a space where Neptune Seas encloses it.


At LRV 58 vs 19, Accessible Beige is decisively the brighter choice.


A 8-point LRV gap (27 vs 19) makes Denim Drift the marginally brighter of the two.


French Gray reflects far more light (LRV 43 vs 19), opening up a space where Neptune Seas encloses it.


Neptune Seas reflects far more light (LRV 19 vs 4), opening up a space where Naval encloses it.


At LRV 55 vs 19, Tranquil Dawn is decisively the brighter choice.


A 6-point LRV gap (19 vs 13) makes Neptune Seas the marginally brighter of the two.


At LRV 44 vs 19, Hardwick White is decisively the brighter choice.


Pure White reflects far more light (LRV 84 vs 19), opening up a space where Neptune Seas encloses it.


With LRVs of 21 and 19, the two reflect almost the same amount of light.


At LRV 66 vs 19, Balboa Mist is decisively the brighter choice.


At LRV 74 vs 19, Shoji White is decisively the brighter choice.


At LRV 83 vs 19, Snowbound is decisively the brighter choice.


Pigeon reflects far more light (LRV 51 vs 19), opening up a space where Neptune Seas encloses it.


A 7-point LRV gap (19 vs 12) makes Neptune Seas the marginally brighter of the two.


A 11-point LRV gap (19 vs 8) makes Neptune Seas the marginally brighter of the two.


At LRV 68 vs 19, Skimming Stone is decisively the brighter choice.


A 7-point LRV gap (19 vs 12) makes Neptune Seas the marginally brighter of the two.


At LRV 45 vs 19, Saybrook Sage is decisively the brighter choice.


Pale Green reflects far more light (LRV 31 vs 19), opening up a space where Neptune Seas encloses it.


Neptune Seas reflects far more light (LRV 19 vs 7), opening up a space where Pine Needle encloses it.
















