RAL 180-1 vs Regale Blue
Where RAL 180-1 belongs to RAL Effect's range, Regale Blue is a Sherwin-Williams color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. RAL 180-1 (LRV 49) reflects noticeably more light than Regale Blue (LRV 42), a difference of 6 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 16.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 180-1 vs Regale Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 180-1 on one side and Regale 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 RAL 180-1 comparisons
See how RAL 180-1 stacks up against other well-photographed colors across different brands and tones.








































