S 4500-N vs Grey Blue
S 4500-N is a NCS color while Grey Blue comes from RAL Classic. Hue-wise, S 4500-N belongs to the grey family and Grey Blue to the blue-grey family. At LRV 27 vs 7, S 4500-N will read as the brighter of the two — a 20-point gap that matters most in north-facing or low-light rooms. At ΔE 28.1, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
S 4500-N vs Grey Blue in Real Spaces
2 real rooms side by side. Seeing S 4500-N and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that S 4500-N will make the room feel meaningfully brighter than Grey Blue would.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. S 4500-N returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
S 4500-N vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4500-N on one side and Grey Blue 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 4500-N comparisons
See how S 4500-N stacks up against other well-photographed colors across different brands and tones.
