Grey Steel 4 vs Treron
Grey Steel 4 is a Dulux color while Treron comes from Farrow & Ball. Hue-wise, Grey Steel 4 belongs to the grey-white family and Treron to the greige-grey family. At LRV 83 vs 25, Grey Steel 4 will read as the brighter of the two — a 58-point gap that matters most in north-facing or low-light rooms. The tonal difference — Grey Steel 4's neutral character against Treron's warm — becomes most visible against white trim or in morning light. At ΔE 36.0, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. 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 Treron in Real Spaces
1 real room side by side. Seeing Grey Steel 4 and Treron in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Grey Steel 4 will make the room feel meaningfully brighter than Treron would.
Color Details
Grey Steel 4 vs Treron Simulated Comparison
5 simulated room previews — drag the slider on each to see Grey Steel 4 on one side and Treron 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.









































