RAL 340-2 vs RAL 550-M
Both from RAL Effect's palette. Hue-wise, RAL 340-2 belongs to the grey family and RAL 550-M to the pink family. They have nearly identical light reflectance values (30 vs 29), so they'll read as similarly Medium in most lighting conditions. The ΔE 3.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 340-2 vs RAL 550-M in Real Spaces
3 real rooms side by side. RAL 340-2 and RAL 550-M 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.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. The distinction reads clearly at room scale, making the choice between them concrete.
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.
Color Details
RAL 340-2 vs RAL 550-M Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 340-2 on one side and RAL 550-M 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 340-2 comparisons
See how RAL 340-2 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 30), opening up a space where RAL 340-2 encloses it.
At LRV 52 vs 30, Purbeck Stone is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 30 vs 30), so neither reads brighter in a room.
At LRV 60 vs 30, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 30), opening up a space where RAL 340-2 encloses it.
With LRVs of 30 and 27, the two reflect almost the same amount of light.
At LRV 43 vs 30, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 30), opening up a space where RAL 340-2 encloses it.
Hardwick White reflects far more light (LRV 44 vs 30), opening up a space where RAL 340-2 encloses it.
At LRV 84 vs 30, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 30), opening up a space where RAL 340-2 encloses it.
Shoji White reflects far more light (LRV 74 vs 30), opening up a space where RAL 340-2 encloses it.
RAL 340-2 reflects far more light (LRV 30 vs 12), opening up a space where Pewter Green encloses it.
RAL 340-2 reflects far more light (LRV 30 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 30), opening up a space where RAL 340-2 encloses it.
RAL 340-2 reflects far more light (LRV 30 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reflects far more light (LRV 45 vs 30), opening up a space where RAL 340-2 encloses it.
Their light reflectance is nearly identical (LRV 31 vs 30), so neither reads brighter in a room.