Blue Grotto vs Passageway
Blue Grotto (Sherwin-Williams) and Passageway (Valspar) come from different manufacturers. Blue Grotto reads as blue, while Passageway reads as blue-grey — two distinct hue families, not close cousins. The NaN-point LRV gap — 14 for Passageway vs NaN for Blue Grotto — means Passageway will open up a space more effectively. A ΔE of 22.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Blue Grotto vs Passageway in Real Spaces
3 real rooms side by side. Seeing Blue Grotto and Passageway in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. The distinction reads clearly at room scale, making the choice between them concrete.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Color Details
Blue Grotto vs Passageway Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Grotto on one side and Passageway 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 Blue Grotto comparisons
See how Blue Grotto stacks up against other well-photographed colors across different brands and tones.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Ammonite encloses it.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


At LRV NaN vs NaN, Iron Ore is decisively the brighter choice.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Purbeck Stone encloses it.


Evergreen Fog reflects far more light (LRV NaN vs NaN), opening up a space where Blue Grotto encloses it.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Agreeable Gray encloses it.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where French Gray encloses it.


Naval reflects far more light (LRV NaN vs NaN), opening up a space where Blue Grotto encloses it.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


Pure White reflects far more light (LRV NaN vs NaN), opening up a space where Blue Grotto encloses it.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Artichoke encloses it.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


At LRV NaN vs NaN, Shoji White is decisively the brighter choice.


At LRV NaN vs NaN, Snowbound is decisively the brighter choice.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Pigeon encloses it.


At LRV NaN vs NaN, Pewter Green is decisively the brighter choice.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Dix Blue encloses it.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


At LRV NaN vs NaN, Blue Grotto is decisively the brighter choice.


Blue Grotto reflects far more light (LRV NaN vs NaN), opening up a space where Pale Green encloses it.


















