Tidal vs Grey Blue
Tidal (Behr) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, Tidal belongs to the blue family and Grey Blue to the blue-grey family. The 3-point LRV gap — 10 for Tidal vs 7 for Grey Blue — means Tidal will open up a space more effectively. A ΔE of 15.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Tidal vs Grey Blue in Real Spaces
1 real room side by side. Seeing Tidal 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.
Color Details
Tidal vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Tidal 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 Tidal comparisons
See how Tidal stacks up against other well-photographed colors across different brands and tones.
