Cleanroom white vs Pure White
Cleanroom white (RAL Classic) and Pure White (Sherwin-Williams) come from different manufacturers. Cleanroom white reads as beige-white, while Pure White reads as beige-greige — two distinct hue families, not close cousins. The 5-point LRV gap — 89 for Cleanroom white vs 84 for Pure White — means Cleanroom white will open up a space more effectively. ΔE 6.3 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cleanroom white vs Pure White in Real Spaces
3 real rooms side by side. Cleanroom white and Pure White are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Cleanroom white has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Cleanroom white has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Cleanroom white has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Cleanroom white vs Pure White Simulated Comparison
5 simulated room previews — drag the slider on each to see Cleanroom white on one side and Pure White 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 Cleanroom white comparisons
See how Cleanroom white stacks up against other well-photographed colors across different brands and tones.
