RAL 150-4 vs Posy
RAL 150-4 is a RAL Effect color while Posy comes from Sherwin-Williams. These are both beiges, so the question isn't which hue to choose — it's where within beige to land. At LRV 81 vs 77, RAL 150-4 will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. With a ΔE of 2.9, the difference is subtle — you'd need them side by side to reliably tell them apart. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
RAL 150-4 vs Posy Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 150-4 on one side and Posy 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 RAL 150-4 comparisons
See how RAL 150-4 stacks up against other well-photographed colors across different brands and tones.
