Telegrey 4 vs RAL 580-2
Where Telegrey 4 belongs to RAL Classic's range, RAL 580-2 is a RAL Effect color. Telegrey 4 reads as grey, while RAL 580-2 reads as blue — two distinct hue families, not close cousins. They have nearly identical light reflectance values (59 vs 57), so they'll read as similarly Light in most lighting conditions. With a ΔE of 13.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 580-2 in Real Spaces
2 real rooms side by side. Seeing Telegrey 4 and RAL 580-2 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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 580-2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Telegrey 4 on one side and RAL 580-2 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 Telegrey 4 comparisons
See how Telegrey 4 stacks up against other well-photographed colors across different brands and tones.
