Old Montreal vs Mushroom
Where Old Montreal belongs to Benjamin Moore's range, Mushroom is a Little Greene color. Hue-wise, Old Montreal belongs to the beige-greige family and Mushroom to the beige family. Mushroom (LRV 56) reflects noticeably more light than Old Montreal (LRV 49), a difference of 6 points that becomes especially apparent in rooms with limited natural light. Old Montreal runs warm while Mushroom is decidedly red, which means they'll respond very differently to warm vs cool light sources. The ΔE 4.0 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Old Montreal vs Mushroom Simulated Comparison
5 simulated room previews — drag the slider on each to see Old Montreal on one side and Mushroom 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 Old Montreal comparisons
See how Old Montreal stacks up against other well-photographed colors across different brands and tones.
