S 0515-R80B vs RAL 170-4
Where S 0515-R80B belongs to NCS's range, RAL 170-4 is a RAL Effect color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (71 vs 69), so they'll read as similarly Light in most lighting conditions. At ΔE 0.6, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 0515-R80B vs RAL 170-4 in Real Spaces
1 real room side by side. S 0515-R80B and RAL 170-4 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
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Color Details
S 0515-R80B vs RAL 170-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see S 0515-R80B on one side and RAL 170-4 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 0515-R80B comparisons
See how S 0515-R80B stacks up against other well-photographed colors across different brands and tones.
