Forget-Me-Not vs Green Onyx
Both from Sherwin-Williams's palette. Hue-wise, Forget-Me-Not belongs to the blue-purple family and Green Onyx to the green-greige family. Green Onyx (LRV 31) reflects noticeably more light than Forget-Me-Not (LRV 16), a difference of 16 points that becomes especially apparent in rooms with limited natural light. Forget-Me-Not runs cool while Green Onyx is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 44.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Forget-Me-Not vs Green Onyx in Real Spaces
2 real rooms side by side. Seeing Forget-Me-Not 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Green Onyx will make the room feel meaningfully brighter than Forget-Me-Not would.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Green Onyx reflects noticeably more light off the walls, making the space read more open than Forget-Me-Not.
Color Details
Forget-Me-Not vs Green Onyx Simulated Comparison
5 simulated room previews — drag the slider on each to see Forget-Me-Not 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 Forget-Me-Not comparisons
See how Forget-Me-Not stacks up against other well-photographed colors across different brands and tones.
Evergreen Fog reflects far more light (LRV 30 vs 16), opening up a space where Forget-Me-Not encloses it.
Artichoke reads slightly lighter (LRV 21 vs 16), a gap that shows most in low-lit rooms.