Iron Grey vs Obsidian Green
Iron Grey (Jotun) and Obsidian Green (Little Greene) come from different manufacturers. Iron Grey reads as grey, while Obsidian Green reads as green — two distinct hue families, not close cousins. The 38-point LRV gap — 39 for Iron Grey vs 1 for Obsidian Green — means Iron Grey will open up a space more effectively. Where Iron Grey leans neutral, Obsidian Green reads green — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 58.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Iron Grey vs Obsidian Green in Real Spaces
1 real room side by side. Seeing Iron Grey and Obsidian Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Iron Grey reflects noticeably more light off the walls, making the space read more open than Obsidian Green.
Color Details
Iron Grey vs Obsidian Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Iron Grey 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 Iron Grey comparisons
See how Iron Grey stacks up against other well-photographed colors across different brands and tones.










































