Montpelier vs Grey Blue
Where Montpelier belongs to Benjamin Moore's range, Grey Blue is a RAL Classic color. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Montpelier (LRV 22) reflects noticeably more light than Grey Blue (LRV 7), a difference of 15 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 20.9, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Montpelier vs Grey Blue in Real Spaces
2 real rooms side by side. Seeing Montpelier 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
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. Montpelier reflects noticeably more light off the walls, making the space read more open than Grey Blue.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Montpelier will make the room feel meaningfully brighter than Grey Blue would.
Color Details
Montpelier vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Montpelier 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 Montpelier comparisons
See how Montpelier stacks up against other well-photographed colors across different brands and tones.
