Opal Silk vs Festoon Aqua
Where Opal Silk belongs to Behr's range, Festoon Aqua is a Sherwin-Williams color. Hue-wise, Opal Silk belongs to the blue-green family and Festoon Aqua to the blue family. Festoon Aqua (LRV 46) reflects noticeably more light than Opal Silk (LRV 43), a difference of 3 points that becomes especially apparent in rooms with limited natural light. Opal Silk runs green while Festoon Aqua is decidedly cool, which means they'll respond very differently to warm vs cool light sources. At ΔE 2.4, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Opal Silk vs Festoon Aqua in Real Spaces
1 real room side by side. Opal Silk and Festoon Aqua 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.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The brightness difference is modest but present — Festoon Aqua gives the walls a little more lift.
Color Details
Opal Silk vs Festoon Aqua Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal Silk on one side and Festoon Aqua 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.
