Underground Gardens vs Black grey
Where Underground Gardens belongs to Behr's range, Black grey is a RAL Classic color. Hue-wise, Underground Gardens belongs to the green-grey family and Black grey to the blue-grey family. Underground Gardens (LRV 28) reflects noticeably more light than Black grey (LRV 6), a difference of 22 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 41.0, 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.
Underground Gardens vs Black grey in Real Spaces
1 real room side by side. Seeing Underground Gardens and Black grey 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. Underground Gardens reflects noticeably more light off the walls, making the space read more open than Black grey.
Color Details
Underground Gardens vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Underground Gardens on one side and Black grey 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 Underground Gardens comparisons
See how Underground Gardens stacks up against other well-photographed colors across different brands and tones.
