S 2005-Y40R vs Believable Buff
S 2005-Y40R (NCS) and Believable Buff (Sherwin-Williams) come from different manufacturers. S 2005-Y40R reads as beige-greige, while Believable Buff reads as beige — two distinct hue families, not close cousins. The 6-point LRV gap — 59 for Believable Buff vs 53 for S 2005-Y40R — means Believable Buff will open up a space more effectively. Both share a warm character, which means they'll respond to light and surrounding materials in similar ways. ΔE 8.7 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 2005-Y40R vs Believable Buff in Real Spaces
1 real room side by side. S 2005-Y40R and Believable 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.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Believable Buff has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
S 2005-Y40R vs Believable Buff Simulated Comparison
5 simulated room previews — drag the slider on each to see S 2005-Y40R on one side and Believable 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 S 2005-Y40R comparisons
See how S 2005-Y40R stacks up against other well-photographed colors across different brands and tones.










































