Signal blue vs Vermilion
Both from RAL Classic's palette. Signal blue reads as blue, while Vermilion reads as pink-red — two distinct hue families, not close cousins. Vermilion (LRV 16) reflects noticeably more light than Signal blue (LRV 10), a difference of 6 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 95.4, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Signal blue vs Vermilion in Real Spaces
1 real room side by side. Seeing Signal blue and Vermilion in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Vermilion reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Signal blue vs Vermilion Simulated Comparison
5 simulated room previews — drag the slider on each to see Signal blue on one side and Vermilion 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 Signal blue comparisons
See how Signal blue stacks up against other well-photographed colors across different brands and tones.









































