Buttercup Fool 5 vs Grey Blue
Buttercup Fool 5 (Dulux) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, Buttercup Fool 5 belongs to the beige family and Grey Blue to the blue-grey family. The 76-point LRV gap — 83 for Buttercup Fool 5 vs 7 for Grey Blue — means Buttercup Fool 5 will open up a space more effectively. A ΔE of 68.4 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Buttercup Fool 5 vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Buttercup Fool 5 on one side and Grey Blue 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 Fool 5 comparisons
See how Buttercup Fool 5 stacks up against other well-photographed colors across different brands and tones.
