Blue Square vs Just Walnut
Where Blue Square belongs to Behr's range, Just Walnut is a Dulux color. Blue Square reads as blue, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. Just Walnut (LRV 72) reflects noticeably more light than Blue Square (LRV 20), a difference of 52 points that becomes especially apparent in rooms with limited natural light. Blue Square 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 40.7, 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 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Blue Square vs Just Walnut in Real Spaces
5 real rooms side by side. Seeing Blue Square 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 Blue Square 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. Just Walnut reflects noticeably more light off the walls, making the space read more open than Blue Square.
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 Blue Square.
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. Just Walnut reflects noticeably more light off the walls, making the space read more open than Blue Square.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Just Walnut reflects noticeably more light off the walls, making the space read more open than Blue Square.
Color Details
Blue Square vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Square 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 Blue Square comparisons
See how Blue Square stacks up against other well-photographed colors across different brands and tones.
