Passion Flower vs RAL 540-4
Where Passion Flower belongs to Dulux's range, RAL 540-4 is a RAL Effect color. Both sit in the pink-purple family, which is useful context if you're narrowing within a single hue direction. RAL 540-4 (LRV 21) reflects noticeably more light than Passion Flower (LRV 16), a difference of 5 points that becomes especially apparent in rooms with limited natural light. The ΔE 9.2 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.
Passion Flower vs RAL 540-4 in Real Spaces
1 real room side by side. Passion Flower and RAL 540-4 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
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. RAL 540-4 reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Passion Flower vs RAL 540-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Passion Flower on one side and RAL 540-4 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 Passion Flower comparisons
See how Passion Flower stacks up against other well-photographed colors across different brands and tones.
