RAL 660-5 vs Surfin'
Where RAL 660-5 belongs to RAL Effect's range, Surfin' is a Sherwin-Williams color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. Surfin' (LRV 46) reflects noticeably more light than RAL 660-5 (LRV 41), a difference of 5 points that becomes especially apparent in rooms with limited natural light. At ΔE 2.7, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 660-5 vs Surfin' in Real Spaces
1 real room side by side. RAL 660-5 and Surfin' 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.
Color Details
RAL 660-5 vs Surfin' Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 660-5 on one side and Surfin' 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 660-5 comparisons
See how RAL 660-5 stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 41), opening up a space where RAL 660-5 encloses it.
A 11-point LRV gap (52 vs 41) makes Purbeck Stone the marginally brighter of the two.
A 10-point LRV gap (41 vs 30) makes RAL 660-5 the marginally brighter of the two.
At LRV 60 vs 41, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 41), opening up a space where RAL 660-5 encloses it.
RAL 660-5 reflects far more light (LRV 41 vs 27), opening up a space where Denim Drift encloses it.
Their light reflectance is nearly identical (LRV 43 vs 41), so neither reads brighter in a room.
Tranquil Dawn reflects far more light (LRV 55 vs 41), opening up a space where RAL 660-5 encloses it.
With LRVs of 44 and 41, the two reflect almost the same amount of light.
At LRV 84 vs 41, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 41), opening up a space where RAL 660-5 encloses it.
Shoji White reflects far more light (LRV 74 vs 41), opening up a space where RAL 660-5 encloses it.
RAL 660-5 reflects far more light (LRV 41 vs 12), opening up a space where Pewter Green encloses it.
RAL 660-5 reflects far more light (LRV 41 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 41), opening up a space where RAL 660-5 encloses it.
RAL 660-5 reflects far more light (LRV 41 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 41), a gap that shows most in low-lit rooms.
A 10-point LRV gap (41 vs 31) makes RAL 660-5 the marginally brighter of the two.