River Valley vs S 3005-B20G
Where River Valley belongs to Dulux's range, S 3005-B20G is a NCS color. River Valley reads as blue, while S 3005-B20G reads as blue-grey — two distinct hue families, not close cousins. River Valley (LRV 44) reflects noticeably more light than S 3005-B20G (LRV 40), a difference of 4 points that becomes especially apparent in rooms with limited natural light. River Valley runs cool while S 3005-B20G is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.0 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
River Valley vs S 3005-B20G Simulated Comparison
5 simulated room previews — drag the slider on each to see River Valley on one side and S 3005-B20G 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 River Valley comparisons
See how River Valley stacks up against other well-photographed colors across different brands and tones.
