Bell Heather vs RAL 540-4
Where Bell Heather belongs to PPG's range, RAL 540-4 is a RAL Effect color. Bell Heather reads as purple, while RAL 540-4 reads as pink-purple — two distinct hue families, not close cousins. Bell Heather (LRV 25) reflects noticeably more light than RAL 540-4 (LRV 21), a difference of 4 points that becomes especially apparent in rooms with limited natural light. The ΔE 9.4 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Bell Heather vs RAL 540-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Bell Heather 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 Bell Heather comparisons
See how Bell Heather stacks up against other well-photographed colors across different brands and tones.
