Blue lilac vs RAL 570-4
Where Blue lilac belongs to RAL Classic's range, RAL 570-4 is a RAL Effect color. Blue lilac reads as blue-purple, while RAL 570-4 reads as blue — two distinct hue families, not close cousins. RAL 570-4 (LRV 35) reflects noticeably more light than Blue lilac (LRV 19), a difference of 17 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 19.0, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Blue lilac vs RAL 570-4 in Real Spaces
2 real rooms side by side. Seeing Blue lilac and RAL 570-4 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. RAL 570-4 reflects noticeably more light off the walls, making the space read more open than Blue lilac.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. RAL 570-4 reflects noticeably more light off the walls, making the space read more open than Blue lilac.
Color Details
Blue lilac vs RAL 570-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue lilac on one side and RAL 570-4 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 Blue lilac comparisons
See how Blue lilac stacks up against other well-photographed colors across different brands and tones.
