Green Onyx vs Quixotic Plum
Green Onyx and Quixotic Plum come from the same Sherwin-Williams collection. Hue-wise, Green Onyx belongs to the green-greige family and Quixotic Plum to the blue-grey family. The 25-point LRV gap — 31 for Green Onyx vs 6 for Quixotic Plum — means Green Onyx will open up a space more effectively. Where Green Onyx leans neutral, Quixotic Plum reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 39.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Green Onyx vs Quixotic Plum in Real Spaces
2 real rooms side by side. Seeing Green Onyx and Quixotic Plum 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. Green Onyx reflects noticeably more light off the walls, making the space read more open than Quixotic Plum.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Green Onyx returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Green Onyx vs Quixotic Plum Simulated Comparison
5 simulated room previews — drag the slider on each to see Green Onyx on one side and Quixotic Plum 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.












































