Earl Blue vs Black green
Earl Blue (Dulux) and Black green (RAL Classic) come from different manufacturers. Earl Blue reads as blue-grey, while Black green reads as blue-green — two distinct hue families, not close cousins. The 34-point LRV gap — 41 for Earl Blue vs 7 for Black green — means Earl Blue will open up a space more effectively. A ΔE of 44.6 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 Black green in Real Spaces
2 real rooms side by side. Seeing Earl Blue and Black green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. 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 Black green Simulated Comparison
5 simulated room previews — drag the slider on each to see Earl Blue on one side and Black green 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.












































