Mortar vs Obsidian Green
Mortar (Benjamin Moore) and Obsidian Green (Little Greene) come from different manufacturers. Hue-wise, Mortar belongs to the beige-greige family and Obsidian Green to the green family. The 22-point LRV gap — 23 for Mortar vs 1 for Obsidian Green — means Mortar will open up a space more effectively. Where Mortar leans red, Obsidian Green reads green — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 46.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Mortar vs Obsidian Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Mortar on one side and Obsidian Green 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 Mortar comparisons
See how Mortar stacks up against other well-photographed colors across different brands and tones.
