RAL 660-6 vs Pewter Green
RAL 660-6 (RAL Effect) and Pewter Green (Sherwin-Williams) come from different manufacturers. RAL 660-6 reads as blue, while Pewter Green reads as green-grey — two distinct hue families, not close cousins. The 36-point LRV gap — 47 for RAL 660-6 vs 12 for Pewter Green — means RAL 660-6 will open up a space more effectively. A ΔE of 42.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 660-6 vs Pewter Green in Real Spaces
6 real rooms side by side. Seeing RAL 660-6 and Pewter Green 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. RAL 660-6 reflects noticeably more light off the walls, making the space read more open than Pewter Green.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. RAL 660-6 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. RAL 660-6 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. RAL 660-6 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. RAL 660-6 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. RAL 660-6 returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
RAL 660-6 vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 660-6 on one side and Pewter Green 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 660-6 comparisons
See how RAL 660-6 stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 47, White Dove is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 47), a gap that shows most in low-lit rooms.
RAL 660-6 reflects far more light (LRV 47 vs 30), opening up a space where Evergreen Fog encloses it.
Agreeable Gray reflects far more light (LRV 60 vs 47), opening up a space where RAL 660-6 encloses it.
A 10-point LRV gap (58 vs 47) makes Accessible Beige the marginally brighter of the two.
At LRV 47 vs 27, RAL 660-6 is decisively the brighter choice.
RAL 660-6 reads slightly lighter (LRV 47 vs 43), a gap that shows most in low-lit rooms.
A 8-point LRV gap (55 vs 47) makes Tranquil Dawn the marginally brighter of the two.
A 4-point LRV gap (47 vs 44) makes RAL 660-6 the marginally brighter of the two.
Pure White reflects far more light (LRV 84 vs 47), opening up a space where RAL 660-6 encloses it.
At LRV 66 vs 47, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 47, Shoji White is decisively the brighter choice.
At LRV 47 vs 8, RAL 660-6 is decisively the brighter choice.
At LRV 68 vs 47, Skimming Stone is decisively the brighter choice.
At LRV 47 vs 12, RAL 660-6 is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 47 vs 45), so neither reads brighter in a room.
RAL 660-6 reflects far more light (LRV 47 vs 31), opening up a space where Pale Green encloses it.
RAL 660-6 reflects far more light (LRV 47 vs 7), opening up a space where Pine Needle encloses it.