Periwinkle vs Just Walnut
Where Periwinkle belongs to Behr's range, Just Walnut is a Dulux color. Hue-wise, Periwinkle belongs to the blue family and Just Walnut to the beige-greige family. Just Walnut (LRV 72) reflects noticeably more light than Periwinkle (LRV 35), a difference of 37 points that becomes especially apparent in rooms with limited natural light. Periwinkle runs blue while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 39.3, 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.
Periwinkle vs Just Walnut in Real Spaces
2 real rooms side by side. Seeing Periwinkle 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 Periwinkle would.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Just Walnut reflects noticeably more light off the walls, making the space read more open than Periwinkle.
Color Details
Periwinkle vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Periwinkle 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 Periwinkle comparisons
See how Periwinkle stacks up against other well-photographed colors across different brands and tones.
