RAL 180-1 vs Rhythmic Blue
RAL 180-1 is a RAL Effect color while Rhythmic Blue comes from Sherwin-Williams. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 69 vs 49, Rhythmic Blue will read as the brighter of the two — a 20-point gap that matters most in north-facing or low-light rooms. At ΔE 11.1, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
RAL 180-1 vs Rhythmic Blue in Real Spaces
2 real rooms side by side. Seeing RAL 180-1 and Rhythmic Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Rhythmic Blue will make the room feel meaningfully brighter than RAL 180-1 would.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Rhythmic Blue will make the room feel meaningfully brighter than RAL 180-1 would.
Color Details
RAL 180-1 vs Rhythmic Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 180-1 on one side and Rhythmic Blue 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 180-1 comparisons
See how RAL 180-1 stacks up against other well-photographed colors across different brands and tones.
