Sun Dust 2 vs Grey Blue
Where Sun Dust 2 belongs to Dulux's range, Grey Blue is a RAL Classic color. Hue-wise, Sun Dust 2 belongs to the beige family and Grey Blue to the blue-grey family. Sun Dust 2 (LRV 49) reflects noticeably more light than Grey Blue (LRV 7), a difference of 42 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 79.0, 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.
Sun Dust 2 vs Grey Blue in Real Spaces
1 real room side by side. Seeing Sun Dust 2 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
A front door is a focal point — small color differences read clearly at this concentrated scale. The LRV gap is large enough that Sun Dust 2 will make the room feel meaningfully brighter than Grey Blue would.
Color Details
Sun Dust 2 vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Sun Dust 2 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 Sun Dust 2 comparisons
See how Sun Dust 2 stacks up against other well-photographed colors across different brands and tones.










































