Opal Silk vs Tranquil Dawn
Where Opal Silk belongs to Behr's range, Tranquil Dawn is a Dulux color. Hue-wise, Opal Silk belongs to the blue-green family and Tranquil Dawn to the green-grey family. Tranquil Dawn (LRV 55) reflects noticeably more light than Opal Silk (LRV 43), a difference of 12 points that becomes especially apparent in rooms with limited natural light. Opal Silk runs green while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.5 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 Tranquil Dawn in Real Spaces
1 real room side by side. Opal Silk and Tranquil Dawn 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. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Opal Silk.
Color Details
Opal Silk vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal Silk on one side and Tranquil Dawn 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.
