Rocky Beach vs S 3005-Y20R
Where Rocky Beach belongs to Benjamin Moore's range, S 3005-Y20R is a NCS color. These are both beige-greiges, so the question isn't which hue to choose — it's where within beige-greige to land. They have nearly identical light reflectance values (38 vs 41), so they'll read as similarly Medium in most lighting conditions. Rocky Beach runs red while S 3005-Y20R is decidedly warm, which means they'll respond very differently to warm vs cool light sources. At ΔE 2.4, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished 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
Rocky Beach vs S 3005-Y20R Simulated Comparison
5 simulated room previews — drag the slider on each to see Rocky Beach on one side and S 3005-Y20R 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 Rocky Beach comparisons
See how Rocky Beach stacks up against other well-photographed colors across different brands and tones.








































