Dix Blue vs RAL 220-4
Where Dix Blue belongs to Farrow & Ball's range, RAL 220-4 is a RAL Effect color. Hue-wise, Dix Blue belongs to the blue-grey family and RAL 220-4 to the green family. Dix Blue (LRV 41) reflects noticeably more light than RAL 220-4 (LRV 10), a difference of 31 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 43.8, 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.
Dix Blue vs RAL 220-4 in Real Spaces
1 real room side by side. Seeing Dix Blue and RAL 220-4 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Color Details
Dix Blue vs RAL 220-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Dix Blue on one side and RAL 220-4 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 Dix Blue comparisons
See how Dix Blue stacks up against other well-photographed colors across different brands and tones.









































