Grey Steel 4 vs Just Walnut
Both from Dulux's palette. Hue-wise, Grey Steel 4 belongs to the grey-white family and Just Walnut to the beige-greige family. Grey Steel 4 (LRV 83) reflects noticeably more light than Just Walnut (LRV 72), a difference of 11 points that becomes especially apparent in rooms with limited natural light. Grey Steel 4 runs neutral while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 5.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Grey Steel 4 vs Just Walnut in Real Spaces
1 real room side by side. Grey Steel 4 and Just Walnut are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Grey Steel 4 reflects noticeably more light off the walls, making the space read more open than Just Walnut.
Color Details
Grey Steel 4 vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Grey Steel 4 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 Grey Steel 4 comparisons
See how Grey Steel 4 stacks up against other well-photographed colors across different brands and tones.









































