RAL 690-4 vs L366
RAL 690-4 is a RAL Effect color while L366 comes from Tikkurila. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. At LRV 15 vs 8, L366 will read as the brighter of the two — a 8-point gap that matters most in north-facing or low-light rooms. At ΔE 12.5, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
RAL 690-4 vs L366 Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 690-4 on one side and L366 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 690-4 comparisons
See how RAL 690-4 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 8), opening up a space where RAL 690-4 encloses it.
At LRV 52 vs 8, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 8, Evergreen Fog is decisively the brighter choice.
At LRV 60 vs 8, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 8), opening up a space where RAL 690-4 encloses it.
Denim Drift reflects far more light (LRV 27 vs 8), opening up a space where RAL 690-4 encloses it.
At LRV 43 vs 8, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 8), opening up a space where RAL 690-4 encloses it.
Hardwick White reflects far more light (LRV 44 vs 8), opening up a space where RAL 690-4 encloses it.
At LRV 84 vs 8, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 8), opening up a space where RAL 690-4 encloses it.
Shoji White reflects far more light (LRV 74 vs 8), opening up a space where RAL 690-4 encloses it.
Pewter Green reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
With LRVs of 8 and 8, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 8), opening up a space where RAL 690-4 encloses it.
Vintage Vogue reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 8), opening up a space where RAL 690-4 encloses it.
At LRV 31 vs 8, Pale Green is decisively the brighter choice.