Telegrey 1 vs Steely Gray
Telegrey 1 (RAL Classic) and Steely Gray (Sherwin-Williams) come from different manufacturers. Telegrey 1 reads as grey, while Steely Gray reads as blue-grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 31 vs 30 — so neither will read significantly brighter or darker than the other. A ΔE of 2.0 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Telegrey 1 vs Steely Gray in Real Spaces
1 real room side by side. Telegrey 1 and Steely Gray are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. In photos like these you're seeing the difference at its most direct. In a finished room, the distinction is there but not dramatic.
Color Details
Telegrey 1 vs Steely Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Telegrey 1 on one side and Steely Gray 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 Telegrey 1 comparisons
See how Telegrey 1 stacks up against other well-photographed colors across different brands and tones.









































