Bubble Shell vs Just Walnut
Where Bubble Shell belongs to Behr's range, Just Walnut is a Dulux color. Bubble Shell reads as pink-red, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. Just Walnut (LRV 72) reflects noticeably more light than Bubble Shell (LRV 44), a difference of 28 points that becomes especially apparent in rooms with limited natural light. Bubble Shell runs red while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.4, 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.
Bubble Shell vs Just Walnut in Real Spaces
2 real rooms side by side. Seeing Bubble Shell and Just Walnut 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 Just Walnut will make the room feel meaningfully brighter than Bubble Shell would.
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. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Bubble Shell vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Bubble Shell on one side and Just Walnut 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 Bubble Shell comparisons
See how Bubble Shell stacks up against other well-photographed colors across different brands and tones.
