Superhero Gray vs Quartz grey
Superhero Gray (PPG) and Quartz grey (RAL Classic) come from different manufacturers. Hue-wise, Superhero Gray belongs to the blue-grey family and Quartz grey to the grey family. The 8-point LRV gap — 25 for Superhero Gray vs 17 for Quartz grey — means Superhero Gray will open up a space more effectively. A ΔE of 17.3 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.
Superhero Gray vs Quartz grey in Real Spaces
3 real rooms side by side. Seeing Superhero Gray and Quartz grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Superhero Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Superhero Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Superhero Gray reflects noticeably more light off the walls, making the space read more open than Quartz grey.
Color Details
Superhero Gray vs Quartz grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Superhero Gray on one side and Quartz grey 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 Superhero Gray comparisons
See how Superhero Gray stacks up against other well-photographed colors across different brands and tones.













































