Mole's Breath vs Grey Blue
Mole's Breath (Farrow & Ball) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, Mole's Breath belongs to the grey family and Grey Blue to the blue-grey family. The 17-point LRV gap — 24 for Mole's Breath vs 7 for Grey Blue — means Mole's Breath will open up a space more effectively. A ΔE of 26.1 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.
Mole's Breath vs Grey Blue in Real Spaces
1 real room side by side. Seeing Mole's Breath 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
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Mole's Breath returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Mole's Breath vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Mole's Breath 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 Mole's Breath comparisons
See how Mole's Breath stacks up against other well-photographed colors across different brands and tones.










































