Flame red vs RAL 420-4
Where Flame red belongs to RAL Classic's range, RAL 420-4 is a RAL Effect color. These are both pink-reds, so the question isn't which hue to choose — it's where within pink-red to land. RAL 420-4 (LRV 24) reflects noticeably more light than Flame red (LRV 13), a difference of 12 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 21.4, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Flame red vs RAL 420-4 in Real Spaces
1 real room side by side. Seeing Flame red and RAL 420-4 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 420-4 reflects noticeably more light off the walls, making the space read more open than Flame red.
Color Details
Flame red vs RAL 420-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Flame red on one side and RAL 420-4 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 Flame red comparisons
See how Flame red stacks up against other well-photographed colors across different brands and tones.









































