Earl Blue vs Grey Blue
Earl Blue (Dulux) and Grey Blue (RAL Classic) come from different manufacturers. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. The 34-point LRV gap — 41 for Earl Blue vs 7 for Grey Blue — means Earl Blue will open up a space more effectively. A ΔE of 36.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Earl Blue vs Grey Blue in Real Spaces
2 real rooms side by side. Seeing Earl Blue 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. Earl Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Earl Blue returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Earl Blue vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Earl Blue 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 Earl Blue comparisons
See how Earl Blue stacks up against other well-photographed colors across different brands and tones.
