S 3005-B20G vs Window grey
S 3005-B20G is a NCS color while Window grey comes from RAL Classic. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. At LRV 40 vs 36, S 3005-B20G will read as the brighter of the two — a 4-point gap that matters most in north-facing or low-light rooms. At ΔE 4.9, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
S 3005-B20G vs Window grey Simulated Comparison
5 simulated room previews — drag the slider on each to see S 3005-B20G on one side and Window grey 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 S 3005-B20G comparisons
See how S 3005-B20G stacks up against other well-photographed colors across different brands and tones.
