Neptune Seas vs Douter
Where Neptune Seas belongs to Dulux's range, Douter is a Farrow & Ball color. Hue-wise, Neptune Seas belongs to the blue-grey family and Douter to the green-grey family. Neptune Seas (LRV 19) reflects noticeably more light than Douter (LRV 15), a difference of 4 points that becomes especially apparent in rooms with limited natural light. Neptune Seas runs cool while Douter is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 5.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Neptune Seas vs Douter Simulated Comparison
5 simulated room previews — drag the slider on each to see Neptune Seas on one side and Douter 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.







































