Cosmic Cobalt vs Cement grey
Where Cosmic Cobalt belongs to Behr's range, Cement grey is a RAL Classic color. Cosmic Cobalt reads as blue, while Cement grey reads as grey — two distinct hue families, not close cousins. Cement grey (LRV 24) reflects noticeably more light than Cosmic Cobalt (LRV 10), a difference of 15 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 42.1, 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.
Cosmic Cobalt vs Cement grey in Real Spaces
1 real room side by side. Seeing Cosmic Cobalt and Cement grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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 Cement grey will make the room feel meaningfully brighter than Cosmic Cobalt would.
Color Details
Cosmic Cobalt vs Cement grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Cosmic Cobalt on one side and Cement 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 Cosmic Cobalt comparisons
See how Cosmic Cobalt stacks up against other well-photographed colors across different brands and tones.
