Telegrey 4 vs RAL 170-6
Where Telegrey 4 belongs to RAL Classic's range, RAL 170-6 is a RAL Effect color. Hue-wise, Telegrey 4 belongs to the grey family and RAL 170-6 to the blue family. They have nearly identical light reflectance values (59 vs 57), so they'll read as similarly Light in most lighting conditions. The ΔE 9.2 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Telegrey 4 vs RAL 170-6 in Real Spaces
2 real rooms side by side. Telegrey 4 and RAL 170-6 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. The distinction reads clearly at room scale, making the choice between them concrete.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Telegrey 4 vs RAL 170-6 Simulated Comparison
5 simulated room previews — drag the slider on each to see Telegrey 4 on one side and RAL 170-6 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 4 comparisons
See how Telegrey 4 stacks up against other well-photographed colors across different brands and tones.
