S 2502-Y20R vs RAL 180-1
S 2502-Y20R (NCS) and RAL 180-1 (RAL Effect) come from different manufacturers. S 2502-Y20R reads as greige-grey, while RAL 180-1 reads as blue — two distinct hue families, not close cousins. The 5-point LRV gap — 53 for S 2502-Y20R vs 49 for RAL 180-1 — means S 2502-Y20R will open up a space more effectively. A ΔE of 11.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 2502-Y20R vs RAL 180-1 in Real Spaces
1 real room side by side. Seeing S 2502-Y20R and RAL 180-1 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. S 2502-Y20R has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
S 2502-Y20R vs RAL 180-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see S 2502-Y20R on one side and RAL 180-1 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 S 2502-Y20R comparisons
See how S 2502-Y20R stacks up against other well-photographed colors across different brands and tones.










































