Iron Blue vs Obsidian Green
Iron Blue is a Jotun color while Obsidian Green comes from Little Greene. Iron Blue reads as blue-grey, while Obsidian Green reads as green — two distinct hue families, not close cousins. At LRV 18 vs 1, Iron Blue will read as the brighter of the two — a 16-point gap that matters most in north-facing or low-light rooms. The tonal difference — Iron Blue's neutral character against Obsidian Green's green — becomes most visible against white trim or in morning light. At ΔE 38.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Iron Blue vs Obsidian Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Iron Blue 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 Blue comparisons
See how Iron Blue stacks up against other well-photographed colors across different brands and tones.








































