Opal vs Tranquil Dawn
Opal (Benjamin Moore) and Tranquil Dawn (Dulux) come from different manufacturers. Hue-wise, Opal belongs to the beige family and Tranquil Dawn to the green-grey family. The 29-point LRV gap — 84 for Opal vs 55 for Tranquil Dawn — means Opal will open up a space more effectively. Where Opal leans warm, Tranquil Dawn reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 16.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Opal vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Opal 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 comparisons
See how Opal stacks up against other well-photographed colors across different brands and tones.

Their light reflectance is nearly identical (LRV 84 vs 83), so neither reads brighter in a room.

Opal reflects far more light (LRV 84 vs 52), opening up a space where Purbeck Stone encloses it.

Opal reflects far more light (LRV 84 vs 30), opening up a space where Evergreen Fog encloses it.

Opal reflects far more light (LRV 84 vs 60), opening up a space where Agreeable Gray encloses it.

At LRV 84 vs 58, Opal is decisively the brighter choice.

Opal reflects far more light (LRV 84 vs 43), opening up a space where French Gray encloses it.

At LRV 84 vs 44, Opal is decisively the brighter choice.

With LRVs of 84 and 84, the two reflect almost the same amount of light.

A 10-point LRV gap (84 vs 74) makes Opal the marginally brighter of the two.

At LRV 84 vs 68, Opal is decisively the brighter choice.

At LRV 84 vs 12, Opal is decisively the brighter choice.

At LRV 84 vs 45, Opal is decisively the brighter choice.

Opal reflects far more light (LRV 84 vs 31), opening up a space where Pale Green encloses it.

Opal reflects far more light (LRV 84 vs 7), opening up a space where Pine Needle encloses it.

Opal reflects far more light (LRV 84 vs 24), opening up a space where Cement grey encloses it.

Opal reflects far more light (LRV 84 vs 57), opening up a space where Guilford Green encloses it.

Opal reflects far more light (LRV 84 vs 72), opening up a space where Just Walnut encloses it.






















