Niagara Blues 1 vs Grey Blue
Where Niagara Blues 1 belongs to Dulux's range, Grey Blue is a RAL Classic color. Niagara Blues 1 reads as blue, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. Niagara Blues 1 (LRV 15) reflects noticeably more light than Grey Blue (LRV 7), a difference of 8 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 15.3, 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.
Niagara Blues 1 vs Grey Blue in Real Spaces
1 real room side by side. Seeing Niagara Blues 1 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. Niagara Blues 1 reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Niagara Blues 1 vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Niagara Blues 1 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 Niagara Blues 1 comparisons
See how Niagara Blues 1 stacks up against other well-photographed colors across different brands and tones.
