White aluminium vs Proper Gray
White aluminium is a RAL Classic color while Proper Gray comes from Sherwin-Williams. Hue-wise, White aluminium belongs to the grey-white family and Proper Gray to the grey family. At LRV 46 vs 40, White aluminium will read as the brighter of the two — a 6-point gap that matters most in north-facing or low-light rooms. At ΔE 3.7, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
White aluminium vs Proper Gray in Real Spaces
1 real room side by side. White aluminium and Proper Gray 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.
Kitchen
Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The brightness difference is modest but present — White aluminium gives the walls a little more lift.
Color Details
White aluminium vs Proper Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see White aluminium on one side and Proper Gray 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 White aluminium comparisons
See how White aluminium stacks up against other well-photographed colors across different brands and tones.










































