RAL 180-1 vs Acier
Where RAL 180-1 belongs to RAL Effect's range, Acier is a Sherwin-Williams color. RAL 180-1 reads as blue, while Acier reads as grey — two distinct hue families, not close cousins. RAL 180-1 (LRV 49) reflects noticeably more light than Acier (LRV 32), a difference of 17 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 17.0, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 180-1 vs Acier in Real Spaces
3 real rooms side by side. Seeing RAL 180-1 and Acier 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that RAL 180-1 will make the room feel meaningfully brighter than Acier would.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. RAL 180-1 reflects noticeably more light off the walls, making the space read more open than Acier.
Color Details
RAL 180-1 vs Acier Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 180-1 on one side and Acier 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 180-1 comparisons
See how RAL 180-1 stacks up against other well-photographed colors across different brands and tones.














































