Halcyon Green vs Pewter Green
Both from Sherwin-Williams's palette. These are both green-greys, so the question isn't which hue to choose — it's where within green-grey to land. Halcyon Green (LRV 38) reflects noticeably more light than Pewter Green (LRV 12), a difference of 26 points that becomes especially apparent in rooms with limited natural light. Halcyon Green runs cool while Pewter Green is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 27.6, 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 8 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Halcyon Green vs Pewter Green in Real Spaces
8 real rooms side by side. Seeing Halcyon Green and Pewter Green 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 Halcyon Green will make the room feel meaningfully brighter than Pewter Green would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Halcyon Green reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Halcyon Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Halcyon Green reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Home Office
The test for a home office color isn't how it looks in a quick glance — it's whether it still feels right after a full day of work. Halcyon Green reflects noticeably more light off the walls, making the space read more open than Pewter Green.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Halcyon Green reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Halcyon Green will make the room feel meaningfully brighter than Pewter Green would.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Halcyon Green reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Color Details
Halcyon Green vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Halcyon Green on one side and Pewter Green 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 Halcyon Green comparisons
See how Halcyon Green stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 38, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 38), opening up a space where Halcyon Green encloses it.
At LRV 38 vs 6, Halcyon Green is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 38), opening up a space where Halcyon Green encloses it.
Halcyon Green reads slightly lighter (LRV 38 vs 30), a gap that shows most in low-lit rooms.
At LRV 52 vs 38, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 38), opening up a space where Halcyon Green encloses it.
At LRV 58 vs 38, Accessible Beige is decisively the brighter choice.
A 11-point LRV gap (38 vs 27) makes Halcyon Green the marginally brighter of the two.
French Gray reads slightly lighter (LRV 43 vs 38), a gap that shows most in low-lit rooms.
Halcyon Green reflects far more light (LRV 38 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 38, Tranquil Dawn is decisively the brighter choice.
At LRV 38 vs 13, Halcyon Green is decisively the brighter choice.
A 5-point LRV gap (44 vs 38) makes Hardwick White the marginally brighter of the two.
Pure White reflects far more light (LRV 84 vs 38), opening up a space where Halcyon Green encloses it.
Halcyon Green reflects far more light (LRV 38 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 38, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 38, Shoji White is decisively the brighter choice.
At LRV 83 vs 38, Snowbound is decisively the brighter choice.
At LRV 68 vs 38, Skimming Stone is decisively the brighter choice.
With LRVs of 41 and 38, the two reflect almost the same amount of light.
Calamine reflects far more light (LRV 68 vs 38), opening up a space where Halcyon Green encloses it.
Halcyon Green reflects far more light (LRV 38 vs 25), opening up a space where Treron encloses it.
At LRV 38 vs 12, Halcyon Green is decisively the brighter choice.
A 7-point LRV gap (45 vs 38) makes Saybrook Sage the marginally brighter of the two.
Halcyon Green reads slightly lighter (LRV 38 vs 31), a gap that shows most in low-lit rooms.
Halcyon Green reflects far more light (LRV 38 vs 7), opening up a space where Pine Needle encloses it.
Halcyon Green reflects far more light (LRV 38 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reflects far more light (LRV 57 vs 38), opening up a space where Halcyon Green encloses it.
Just Walnut reflects far more light (LRV 72 vs 38), opening up a space where Halcyon Green encloses it.