S 3010-R80B vs RAL 660-4
S 3010-R80B is a NCS color while RAL 660-4 comes from RAL Effect. S 3010-R80B reads as blue-grey, while RAL 660-4 reads as blue — two distinct hue families, not close cousins. At LRV 36 vs 31, S 3010-R80B will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. At ΔE 28.6, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 3010-R80B vs RAL 660-4 in Real Spaces
1 real room side by side. Seeing S 3010-R80B and RAL 660-4 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The brightness difference is modest but present — S 3010-R80B gives the walls a little more lift.
Color Details
S 3010-R80B vs RAL 660-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see S 3010-R80B on one side and RAL 660-4 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 3010-R80B comparisons
See how S 3010-R80B stacks up against other well-photographed colors across different brands and tones.









































