RAL 640-1 vs Iron Ore
RAL 640-1 is a RAL Effect color while Iron Ore comes from Sherwin-Williams. Hue-wise, RAL 640-1 belongs to the blue family and Iron Ore to the grey family. At LRV 26 vs 6, RAL 640-1 will read as the brighter of the two — a 20-point gap that matters most in north-facing or low-light rooms. At ΔE 46.2, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 640-1 vs Iron Ore in Real Spaces
3 real rooms side by side. Seeing RAL 640-1 and Iron Ore in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. RAL 640-1 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that RAL 640-1 will make the room feel meaningfully brighter than Iron Ore would.
Color Details
RAL 640-1 vs Iron Ore Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 640-1 on one side and Iron Ore 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 640-1 comparisons
See how RAL 640-1 stacks up against other well-photographed colors across different brands and tones.
