Olive grey vs Signal black
Both from RAL Classic's palette. Hue-wise, Olive grey belongs to the greige-grey family and Signal black to the grey family. Olive grey (LRV 22) reflects noticeably more light than Signal black (LRV 6), a difference of 16 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 35.8, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Olive grey vs Signal black in Real Spaces
2 real rooms side by side. Seeing Olive grey and Signal black 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. Olive grey reflects noticeably more light off the walls, making the space read more open than Signal black.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Olive grey reflects noticeably more light off the walls, making the space read more open than Signal black.
Color Details
Olive grey vs Signal black Simulated Comparison
5 simulated room previews — drag the slider on each to see Olive grey on one side and Signal black 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 Olive grey comparisons
See how Olive grey stacks up against other well-photographed colors across different brands and tones.
