Traditional Blue vs RAL 650-4
Traditional Blue (Behr) and RAL 650-4 (RAL Effect) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 3-point LRV gap — 9 for Traditional Blue vs 6 for RAL 650-4 — means Traditional Blue will open up a space more effectively. ΔE 7.6 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Traditional Blue vs RAL 650-4 in Real Spaces
6 real rooms side by side. Traditional Blue and RAL 650-4 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.
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. Traditional Blue reads slightly lighter here — a subtle but real difference in how open the space feels.
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. Traditional Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Traditional Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Traditional Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Traditional Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Traditional Blue has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Traditional Blue vs RAL 650-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Traditional Blue on one side and RAL 650-4 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 Traditional Blue comparisons
See how Traditional Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 9, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 9), opening up a space where Traditional Blue encloses it.
Traditional Blue reads slightly lighter (LRV 9 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 9, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 9, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 9), opening up a space where Traditional Blue encloses it.
At LRV 60 vs 9, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 9), opening up a space where Traditional Blue encloses it.
Denim Drift reflects far more light (LRV 27 vs 9), opening up a space where Traditional Blue encloses it.
At LRV 43 vs 9, French Gray is decisively the brighter choice.
A 5-point LRV gap (9 vs 4) makes Traditional Blue the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 9), opening up a space where Traditional Blue encloses it.
Bancha reads slightly lighter (LRV 13 vs 9), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 9), opening up a space where Traditional Blue encloses it.
At LRV 84 vs 9, Pure White is decisively the brighter choice.
At LRV 21 vs 9, Artichoke is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 9), opening up a space where Traditional Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 9), opening up a space where Traditional Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 9), opening up a space where Traditional Blue encloses it.
At LRV 51 vs 9, Pigeon is decisively the brighter choice.
With LRVs of 12 and 9, the two reflect almost the same amount of light.
With LRVs of 9 and 8, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 9), opening up a space where Traditional Blue encloses it.
At LRV 41 vs 9, Dix Blue is decisively the brighter choice.
With LRVs of 12 and 9, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 9), opening up a space where Traditional Blue encloses it.
At LRV 31 vs 9, Pale Green is decisively the brighter choice.