Opal Silk vs RAL 190-M
Where Opal Silk belongs to Behr's range, RAL 190-M is a RAL Effect color. Opal Silk reads as blue-green, while RAL 190-M reads as blue — two distinct hue families, not close cousins. Opal Silk (LRV 43) reflects noticeably more light than RAL 190-M (LRV 40), a difference of 3 points that becomes especially apparent in rooms with limited natural light. The ΔE 3.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Opal Silk vs RAL 190-M in Real Spaces
1 real room side by side. Opal Silk and RAL 190-M 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.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Opal Silk reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Opal Silk vs RAL 190-M Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal Silk on one side and RAL 190-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 Opal Silk comparisons
See how Opal Silk stacks up against other well-photographed colors across different brands and tones.
