RAL 840-5 vs Hidden Trail
Where RAL 840-5 belongs to RAL Effect's range, Hidden Trail is a Sherwin-Williams color. Hue-wise, RAL 840-5 belongs to the green-grey family and Hidden Trail to the greige-grey family. They have nearly identical light reflectance values (11 vs 10), so they'll read as similarly Dark in most lighting conditions. The ΔE 4.4 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
RAL 840-5 vs Hidden Trail Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 840-5 on one side and Hidden Trail 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 RAL 840-5 comparisons
See how RAL 840-5 stacks up against other well-photographed colors across different brands and tones.
