Royal Regatta 6 vs RAL 610-4
Royal Regatta 6 (Dulux) and RAL 610-4 (RAL Effect) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 10-point LRV gap — 50 for Royal Regatta 6 vs 40 for RAL 610-4 — means Royal Regatta 6 will open up a space more effectively. ΔE 9.2 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Royal Regatta 6 vs RAL 610-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Royal Regatta 6 on one side and RAL 610-4 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 Royal Regatta 6 comparisons
See how Royal Regatta 6 stacks up against other well-photographed colors across different brands and tones.
