Regal Azure vs RAL 580-4
Regal Azure (Cloverdale Paint) and RAL 580-4 (RAL Effect) come from different manufacturers. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. The 3-point LRV gap — 21 for Regal Azure vs 18 for RAL 580-4 — means Regal Azure will open up a space more effectively. ΔE 7.9 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Regal Azure vs RAL 580-4 in Real Spaces
3 real rooms side by side. Regal Azure and RAL 580-4 are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
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. Regal Azure 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. Regal Azure 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. Regal Azure has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Regal Azure vs RAL 580-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Regal Azure on one side and RAL 580-4 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 Regal Azure comparisons
See how Regal Azure stacks up against other well-photographed colors across different brands and tones.
