S 5040-R60B vs Signal blue
Where S 5040-R60B belongs to NCS's range, Signal blue is a RAL Classic color. S 5040-R60B reads as purple, while Signal blue reads as blue — two distinct hue families, not close cousins. Signal blue (LRV 10) reflects noticeably more light than S 5040-R60B (LRV 4), a difference of 6 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 27.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
S 5040-R60B vs Signal blue Simulated Comparison
5 simulated room previews — drag the slider on each to see S 5040-R60B on one side and Signal blue 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 5040-R60B comparisons
See how S 5040-R60B stacks up against other well-photographed colors across different brands and tones.
