Chelsea Gray vs Green Onyx
Chelsea Gray and Green Onyx come from the same Sherwin-Williams collection. Hue-wise, Chelsea Gray belongs to the grey family and Green Onyx to the green-greige family. The 16-point LRV gap — 47 for Chelsea Gray vs 31 for Green Onyx — means Chelsea Gray will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 14.8 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.
Chelsea Gray vs Green Onyx in Real Spaces
2 real rooms side by side. Seeing Chelsea Gray and Green Onyx 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. Chelsea Gray reflects noticeably more light off the walls, making the space read more open than Green Onyx.
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. Chelsea Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Chelsea Gray vs Green Onyx Simulated Comparison
5 simulated room previews — drag the slider on each to see Chelsea Gray on one side and Green Onyx 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 Chelsea Gray comparisons
See how Chelsea Gray stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 47, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 47), opening up a space where Chelsea Gray encloses it.
Chelsea Gray reflects far more light (LRV 47 vs 6), opening up a space where Iron Ore encloses it.
A 5-point LRV gap (52 vs 47) makes Purbeck Stone the marginally brighter of the two.
At LRV 47 vs 30, Chelsea Gray is decisively the brighter choice.
Mizzle reads slightly lighter (LRV 52 vs 47), a gap that shows most in low-lit rooms.
At LRV 60 vs 47, Agreeable Gray is decisively the brighter choice.
Accessible Beige reads slightly lighter (LRV 58 vs 47), a gap that shows most in low-lit rooms.
Chelsea Gray reflects far more light (LRV 47 vs 27), opening up a space where Denim Drift encloses it.
A 4-point LRV gap (47 vs 43) makes Chelsea Gray the marginally brighter of the two.
At LRV 47 vs 4, Chelsea Gray is decisively the brighter choice.
Tranquil Dawn reads slightly lighter (LRV 55 vs 47), a gap that shows most in low-lit rooms.
Chelsea Gray reflects far more light (LRV 47 vs 13), opening up a space where Bancha encloses it.
Chelsea Gray reads slightly lighter (LRV 47 vs 44), a gap that shows most in low-lit rooms.
At LRV 84 vs 47, Pure White is decisively the brighter choice.
At LRV 47 vs 21, Chelsea Gray is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 47), opening up a space where Chelsea Gray encloses it.
Shoji White reflects far more light (LRV 74 vs 47), opening up a space where Chelsea Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 47), opening up a space where Chelsea Gray encloses it.
A 4-point LRV gap (51 vs 47) makes Pigeon the marginally brighter of the two.
Chelsea Gray reflects far more light (LRV 47 vs 12), opening up a space where Pewter Green encloses it.
Chelsea Gray reflects far more light (LRV 47 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 47), opening up a space where Chelsea Gray encloses it.
A 6-point LRV gap (47 vs 41) makes Chelsea Gray the marginally brighter of the two.
Chelsea Gray reflects far more light (LRV 47 vs 12), opening up a space where Vintage Vogue encloses it.
With LRVs of 47 and 45, the two reflect almost the same amount of light.
At LRV 47 vs 31, Chelsea Gray is decisively the brighter choice.