Royal Regatta 1 vs S 7500-N
Where Royal Regatta 1 belongs to Dulux's range, S 7500-N is a NCS color. Hue-wise, Royal Regatta 1 belongs to the blue family and S 7500-N to the grey family. They have nearly identical light reflectance values (8 vs 8), so they'll read as similarly Dark in most lighting conditions. Royal Regatta 1 runs cool while S 7500-N is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 22.1, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Royal Regatta 1 vs S 7500-N in Real Spaces
1 real room side by side. Seeing Royal Regatta 1 and S 7500-N 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The temperature contrast between S 7500-N and Royal Regatta 1 is what sets these apart most in this context.
Color Details
Royal Regatta 1 vs S 7500-N Simulated Comparison
5 simulated room previews — drag the slider on each to see Royal Regatta 1 on one side and S 7500-N 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 1 comparisons
See how Royal Regatta 1 stacks up against other well-photographed colors across different brands and tones.
