Smalt vs RAL 590-4
Where Smalt belongs to Little Greene's range, RAL 590-4 is a RAL Effect color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. They have nearly identical light reflectance values (6 vs 4), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 11.4, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Smalt vs RAL 590-4 in Real Spaces
3 real rooms side by side. Seeing Smalt and RAL 590-4 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. The distinction reads clearly at room scale, making the choice between them concrete.
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. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Smalt vs RAL 590-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Smalt on one side and RAL 590-4 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 Smalt comparisons
See how Smalt stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 6, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 6), opening up a space where Smalt encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 6), opening up a space where Smalt encloses it.
Agreeable Gray reflects far more light (LRV 60 vs 6), opening up a space where Smalt encloses it.
At LRV 58 vs 6, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 6, Denim Drift is decisively the brighter choice.
French Gray reflects far more light (LRV 43 vs 6), opening up a space where Smalt encloses it.
At LRV 55 vs 6, Tranquil Dawn is decisively the brighter choice.
At LRV 44 vs 6, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 6), opening up a space where Smalt encloses it.
At LRV 66 vs 6, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 6, Shoji White is decisively the brighter choice.
A 6-point LRV gap (12 vs 6) makes Pewter Green the marginally brighter of the two.
Their light reflectance is nearly identical (LRV 8 vs 6), so neither reads brighter in a room.
At LRV 68 vs 6, Skimming Stone is decisively the brighter choice.
A 6-point LRV gap (12 vs 6) makes Vintage Vogue the marginally brighter of the two.
At LRV 45 vs 6, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 6), opening up a space where Smalt encloses it.