Blue Bayou vs Grey Blue
Blue Bayou (Benjamin Moore) and Grey Blue (RAL Classic) come from different manufacturers. Blue Bayou reads as blue, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. The 39-point LRV gap — 47 for Blue Bayou vs 7 for Grey Blue — means Blue Bayou will open up a space more effectively. A ΔE of 43.4 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.
Blue Bayou vs Grey Blue in Real Spaces
1 real room side by side. Seeing Blue Bayou 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.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Blue Bayou reflects noticeably more light off the walls, making the space read more open than Grey Blue.
Color Details
Blue Bayou vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Bayou 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 Blue Bayou comparisons
See how Blue Bayou stacks up against other well-photographed colors across different brands and tones.










































