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.
At LRV 83 vs 24, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 24), opening up a space where Rock Gray encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 24), a gap that shows most in low-lit rooms.
Agreeable Gray reflects far more light (LRV 60 vs 24), opening up a space where Rock Gray encloses it.
At LRV 58 vs 24, Accessible Beige is decisively the brighter choice.
A 3-point LRV gap (27 vs 24) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 24), opening up a space where Rock Gray encloses it.
At LRV 55 vs 24, Tranquil Dawn is decisively the brighter choice.
At LRV 44 vs 24, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 24), opening up a space where Rock Gray encloses it.
At LRV 66 vs 24, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 24, Shoji White is decisively the brighter choice.
A 12-point LRV gap (24 vs 12) makes Rock Gray the marginally brighter of the two.
At LRV 24 vs 8, Rock Gray is decisively the brighter choice.
At LRV 68 vs 24, Skimming Stone is decisively the brighter choice.
A 12-point LRV gap (24 vs 12) makes Rock Gray the marginally brighter of the two.
At LRV 45 vs 24, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 24), a gap that shows most in low-lit rooms.