Neptune Seas vs RAL 830-4
Where Neptune Seas belongs to Dulux's range, RAL 830-4 is a RAL Effect color. Neptune Seas reads as blue-grey, while RAL 830-4 reads as grey — two distinct hue families, not close cousins. Neptune Seas (LRV 19) reflects noticeably more light than RAL 830-4 (LRV 16), a difference of 3 points that becomes especially apparent in rooms with limited natural light. The ΔE 6.7 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 RAL 830-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Neptune Seas on one side and RAL 830-4 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.
