Hidden Sea Glass vs Black grey
Where Hidden Sea Glass belongs to Behr's range, Black grey is a RAL Classic color. Hidden Sea Glass reads as blue, while Black grey reads as blue-grey — two distinct hue families, not close cousins. Hidden Sea Glass (LRV 45) reflects noticeably more light than Black grey (LRV 6), a difference of 39 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 64.8, 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.
Hidden Sea Glass vs Black grey in Real Spaces
2 real rooms side by side. Seeing Hidden Sea Glass 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. Hidden Sea Glass reflects noticeably more light off the walls, making the space read more open than Black grey.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Hidden Sea Glass will make the room feel meaningfully brighter than Black grey would.
Color Details
Hidden Sea Glass vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Hidden Sea Glass 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 Hidden Sea Glass comparisons
See how Hidden Sea Glass stacks up against other well-photographed colors across different brands and tones.
