Undine vs Pewter Green
Where Undine belongs to Behr's range, Pewter Green is a Sherwin-Williams color. Undine reads as blue, while Pewter Green reads as green-grey — two distinct hue families, not close cousins. Undine (LRV 43) reflects noticeably more light than Pewter Green (LRV 12), a difference of 31 points that becomes especially apparent in rooms with limited natural light. Undine runs green and blue while Pewter Green is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 37.6, 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 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Undine vs Pewter Green in Real Spaces
6 real rooms side by side. Seeing Undine 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 Undine 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. Undine reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Undine reflects noticeably more light off the walls, making the space read more open than Pewter Green.
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. Undine 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. Undine reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Undine reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Color Details
Undine vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Undine 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 Undine comparisons
See how Undine stacks up against other well-photographed colors across different brands and tones.
