Tumbled Glass vs Copen Blue
Where Tumbled Glass belongs to Dulux's range, Copen Blue is a Sherwin-Williams color. Hue-wise, Tumbled Glass belongs to the green-grey family and Copen Blue to the blue-green family. Tumbled Glass (LRV 63) reflects noticeably more light than Copen Blue (LRV 59), a difference of 4 points that becomes especially apparent in rooms with limited natural light. Both lean cool, so they'll behave similarly in mixed or changing light conditions. At ΔE 1.4, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Tumbled Glass vs Copen Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Tumbled Glass on one side and Copen Blue 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 Tumbled Glass comparisons
See how Tumbled Glass stacks up against other well-photographed colors across different brands and tones.
