Opal Waters vs Grey Blue
Opal Waters is a Behr color while Grey Blue comes from RAL Classic. Opal Waters reads as blue, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. At LRV 53 vs 7, Opal Waters will read as the brighter of the two — a 46-point gap that matters most in north-facing or low-light rooms. At ΔE 46.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Opal Waters vs Grey Blue in Real Spaces
3 real rooms side by side. Seeing Opal Waters 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
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Opal Waters will make the room feel meaningfully brighter than Grey Blue would.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Opal Waters will make the room feel meaningfully brighter than Grey Blue would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Opal Waters will make the room feel meaningfully brighter than Grey Blue would.
Color Details
Opal Waters vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal Waters 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 Opal Waters comparisons
See how Opal Waters stacks up against other well-photographed colors across different brands and tones.
