RAL 840-1 vs Classic Light Buff
RAL 840-1 (RAL Effect) and Classic Light Buff (Sherwin-Williams) come from different manufacturers. Hue-wise, RAL 840-1 belongs to the beige-greige family and Classic Light Buff to the beige family. The 6-point LRV gap — 83 for Classic Light Buff vs 77 for RAL 840-1 — means Classic Light Buff will open up a space more effectively. ΔE 3.0 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.
RAL 840-1 vs Classic Light Buff in Real Spaces
3 real rooms side by side. RAL 840-1 and Classic Light Buff 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.
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. Classic Light Buff reads slightly lighter here — a subtle but real difference in how open the space feels.
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. Classic Light Buff has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Classic Light Buff has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
RAL 840-1 vs Classic Light Buff Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 840-1 on one side and Classic Light Buff 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 RAL 840-1 comparisons
See how RAL 840-1 stacks up against other well-photographed colors across different brands and tones.
