Ruby Starlet vs Grey Blue
Where Ruby Starlet belongs to Dulux's range, Grey Blue is a RAL Classic color. Hue-wise, Ruby Starlet belongs to the pink-red family and Grey Blue to the blue-grey family. They have nearly identical light reflectance values (8 vs 7), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 38.4, 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.
Ruby Starlet vs Grey Blue in Real Spaces
1 real room side by side. Seeing Ruby Starlet 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. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Ruby Starlet vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Ruby Starlet 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 Ruby Starlet comparisons
See how Ruby Starlet stacks up against other well-photographed colors across different brands and tones.










































