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.
At LRV 83 vs 63, White Dove is decisively the brighter choice.
Ammonite reads slightly lighter (LRV 69 vs 63), a gap that shows most in low-lit rooms.
At LRV 63 vs 6, Tumbled Glass is decisively the brighter choice.
Tumbled Glass reads slightly lighter (LRV 63 vs 52), a gap that shows most in low-lit rooms.
Tumbled Glass reflects far more light (LRV 63 vs 30), opening up a space where Evergreen Fog encloses it.
A 11-point LRV gap (63 vs 52) makes Tumbled Glass the marginally brighter of the two.
With LRVs of 63 and 60, the two reflect almost the same amount of light.
A 5-point LRV gap (63 vs 58) makes Tumbled Glass the marginally brighter of the two.
At LRV 63 vs 27, Tumbled Glass is decisively the brighter choice.
Tumbled Glass reflects far more light (LRV 63 vs 43), opening up a space where French Gray encloses it.
Tumbled Glass reflects far more light (LRV 63 vs 4), opening up a space where Naval encloses it.
A 8-point LRV gap (63 vs 55) makes Tumbled Glass the marginally brighter of the two.
At LRV 63 vs 13, Tumbled Glass is decisively the brighter choice.
At LRV 63 vs 44, Tumbled Glass is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 63), opening up a space where Tumbled Glass encloses it.
Tumbled Glass reflects far more light (LRV 63 vs 21), opening up a space where Artichoke encloses it.
Their light reflectance is nearly identical (LRV 66 vs 63), so neither reads brighter in a room.
A 11-point LRV gap (74 vs 63) makes Shoji White the marginally brighter of the two.
At LRV 83 vs 63, Snowbound is decisively the brighter choice.
At LRV 63 vs 12, Tumbled Glass is decisively the brighter choice.
A 5-point LRV gap (68 vs 63) makes Skimming Stone the marginally brighter of the two.
Tumbled Glass reflects far more light (LRV 63 vs 41), opening up a space where Dix Blue encloses it.
Calamine reads slightly lighter (LRV 68 vs 63), a gap that shows most in low-lit rooms.
Tumbled Glass reflects far more light (LRV 63 vs 25), opening up a space where Treron encloses it.
At LRV 63 vs 12, Tumbled Glass is decisively the brighter choice.
At LRV 63 vs 45, Tumbled Glass is decisively the brighter choice.
Tumbled Glass reflects far more light (LRV 63 vs 31), opening up a space where Pale Green encloses it.
Tumbled Glass reflects far more light (LRV 63 vs 7), opening up a space where Pine Needle encloses it.
Tumbled Glass reflects far more light (LRV 63 vs 24), opening up a space where Cement grey encloses it.
Tumbled Glass reads slightly lighter (LRV 63 vs 57), a gap that shows most in low-lit rooms.