Just Walnut vs Book Room Green
Where Just Walnut belongs to Dulux's range, Book Room Green is a Little Greene color. Just Walnut reads as beige-greige, while Book Room Green reads as beige-green — two distinct hue families, not close cousins. Just Walnut (LRV 72) reflects noticeably more light than Book Room Green (LRV 50), a difference of 22 points that becomes especially apparent in rooms with limited natural light. Just Walnut runs warm while Book Room Green is decidedly yellow, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 16.0, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Just Walnut vs Book Room Green in Real Spaces
1 real room side by side. Seeing Just Walnut and Book Room Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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 Book Room Green.
Color Details
Just Walnut vs Book Room Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Just Walnut on one side and Book Room 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 Just Walnut comparisons
See how Just Walnut stacks up against other well-photographed colors across different brands and tones.
