Green Onyx vs Umber Rust
Green Onyx and Umber Rust come from the same Sherwin-Williams collection. Green Onyx reads as green-greige, while Umber Rust reads as beige — two distinct hue families, not close cousins. The 21-point LRV gap — 31 for Green Onyx vs 10 for Umber Rust — means Green Onyx will open up a space more effectively. Where Green Onyx leans neutral, Umber Rust reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 31.6 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
Green Onyx vs Umber Rust Simulated Comparison
5 simulated room previews — drag the slider on each to see Green Onyx 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.
More Green Onyx comparisons
See how Green Onyx stacks up against other well-photographed colors across different brands and tones.
