Mount Etna vs Umber Rust
Mount Etna and Umber Rust come from the same Sherwin-Williams collection. Hue-wise, Mount Etna belongs to the blue-grey family and Umber Rust to the beige family. The 4-point LRV gap — 10 for Umber Rust vs 6 for Mount Etna — means Umber Rust will open up a space more effectively. Where Mount Etna leans cool, Umber Rust reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 30.4 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
Mount Etna vs Umber Rust Simulated Comparison
5 simulated room previews — drag the slider on each to see Mount Etna on one side and Umber Rust 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.
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