Aurora Borealis vs Grey Blue
Where Aurora Borealis belongs to Benjamin Moore's range, Grey Blue is a RAL Classic color. Aurora Borealis reads as green, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. Aurora Borealis (LRV 35) reflects noticeably more light than Grey Blue (LRV 7), a difference of 28 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 50.9, 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
Aurora Borealis vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Aurora Borealis 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 Aurora Borealis comparisons
See how Aurora Borealis stacks up against other well-photographed colors across different brands and tones.
