Grey white vs Grey Heron
Where Grey white belongs to RAL Classic's range, Grey Heron is a Sherwin-Williams color. These are both greige-greys, so the question isn't which hue to choose — it's where within greige-grey to land. They have nearly identical light reflectance values (67 vs 65), so they'll read as similarly Light in most lighting conditions. At ΔE 1.7, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Grey white vs Grey Heron Simulated Comparison
5 simulated room previews — drag the slider on each to see Grey white on one side and Grey Heron 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 white comparisons
See how Grey white stacks up against other well-photographed colors across different brands and tones.
