Half Sea Fog vs Grey Blue
Where Half Sea Fog belongs to Behr's range, Grey Blue is a RAL Classic color. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Half Sea Fog (LRV 46) reflects noticeably more light than Grey Blue (LRV 7), a difference of 38 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 42.0, 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.
Half Sea Fog vs Grey Blue in Real Spaces
1 real room side by side. Seeing Half Sea Fog and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Half Sea Fog reflects noticeably more light off the walls, making the space read more open than Grey Blue.
Color Details
Half Sea Fog vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Half Sea Fog on one side and Grey Blue 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 Half Sea Fog comparisons
See how Half Sea Fog stacks up against other well-photographed colors across different brands and tones.
