Blue Lake vs RAL 660-M
Blue Lake is a Benjamin Moore color while RAL 660-M comes from RAL Effect. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 30 vs 24, Blue Lake will read as the brighter of the two — a 6-point gap that matters most in north-facing or low-light rooms. At ΔE 5.8, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Blue Lake vs RAL 660-M Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Lake on one side and RAL 660-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 Blue Lake comparisons
See how Blue Lake 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 Blue Lake 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 Blue Lake encloses it.
Blue Lake reads slightly lighter (LRV 30 vs 27), a gap that shows most in low-lit rooms.
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 Blue Lake encloses it.
Hardwick White reflects far more light (LRV 44 vs 30), opening up a space where Blue Lake 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 Blue Lake encloses it.
Shoji White reflects far more light (LRV 74 vs 30), opening up a space where Blue Lake encloses it.
Blue Lake reflects far more light (LRV 30 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reflects far more light (LRV 68 vs 30), opening up a space where Blue Lake encloses it.
Blue Lake 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 Blue Lake encloses it.
Their light reflectance is nearly identical (LRV 31 vs 30), so neither reads brighter in a room.
At LRV 30 vs 7, Blue Lake is decisively the brighter choice.
A 6-point LRV gap (30 vs 24) makes Blue Lake the marginally brighter of the two.
At LRV 57 vs 30, Guilford Green is decisively the brighter choice.