Gray Flannel vs RAL 820-5
Gray Flannel (PPG) and RAL 820-5 (RAL Effect) come from different manufacturers. Hue-wise, Gray Flannel belongs to the grey family and RAL 820-5 to the blue-grey family. Their light reflectance values are nearly the same — 10 vs 9 — so neither will read significantly brighter or darker than the other. A ΔE of 2.6 puts them in subtle territory — distinguishable in direct comparison, less so from across a 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
Gray Flannel vs RAL 820-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Gray Flannel on one side and RAL 820-5 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 Gray Flannel comparisons
See how Gray Flannel stacks up against other well-photographed colors across different brands and tones.
