Stonewashed Blue vs RAL 250-M
Stonewashed Blue (Dulux) and RAL 250-M (RAL Effect) come from different manufacturers. Hue-wise, Stonewashed Blue belongs to the blue family and RAL 250-M to the beige-yellow family. The 6-point LRV gap — 34 for RAL 250-M vs 28 for Stonewashed Blue — means RAL 250-M will open up a space more effectively. A ΔE of 68.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Stonewashed Blue vs RAL 250-M in Real Spaces
4 real rooms side by side. Seeing Stonewashed Blue and RAL 250-M in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. RAL 250-M reads slightly lighter here — a subtle but real difference in how open the space feels.
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. RAL 250-M has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. RAL 250-M has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. RAL 250-M has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Stonewashed Blue vs RAL 250-M Simulated Comparison
5 simulated room previews — drag the slider on each to see Stonewashed Blue on one side and RAL 250-M 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 Stonewashed Blue comparisons
See how Stonewashed Blue stacks up against other well-photographed colors across different brands and tones.
















































