RAL 390-6 vs Knockout Orange
Where RAL 390-6 belongs to RAL Effect's range, Knockout Orange is a Sherwin-Williams color. Both sit in the beige-pink family, which is useful context if you're narrowing within a single hue direction. Knockout Orange (LRV 28) reflects noticeably more light than RAL 390-6 (LRV 19), a difference of 8 points that becomes especially apparent in rooms with limited natural light. The ΔE 6.8 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.
RAL 390-6 vs Knockout Orange in Real Spaces
1 real room side by side. RAL 390-6 and Knockout Orange 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Knockout Orange reflects noticeably more light off the walls, making the space read more open than RAL 390-6.
Color Details
RAL 390-6 vs Knockout Orange Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 390-6 on one side and Knockout Orange 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 RAL 390-6 comparisons
See how RAL 390-6 stacks up against other well-photographed colors across different brands and tones.









































