Buttercup vs Mustard Blanket
Where Buttercup belongs to Benjamin Moore's range, Mustard Blanket is a Dulux color. Both sit in the beige family, which is useful context if you're narrowing within a single hue direction. Buttercup (LRV 39) reflects noticeably more light than Mustard Blanket (LRV 34), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Buttercup runs red while Mustard Blanket is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.5 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Buttercup vs Mustard Blanket in Real Spaces
1 real room side by side. Buttercup and Mustard Blanket 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Buttercup gives the walls a little more lift.
Color Details
Buttercup vs Mustard Blanket Simulated Comparison
5 simulated room previews — drag the slider on each to see Buttercup on one side and Mustard Blanket 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 Buttercup comparisons
See how Buttercup stacks up against other well-photographed colors across different brands and tones.










































