Rock Gray vs Telegrey 2
Rock Gray (Benjamin Moore) and Telegrey 2 (RAL Classic) come from different manufacturers. Hue-wise, Rock Gray belongs to the grey family and Telegrey 2 to the blue-grey family. Their light reflectance values are nearly the same — 24 vs 25 — so neither will read significantly brighter or darker than the other. A ΔE of 1.8 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
Rock Gray vs Telegrey 2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Rock Gray on one side and Telegrey 2 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 Rock Gray comparisons
See how Rock Gray stacks up against other well-photographed colors across different brands and tones.
