RAL 180-1 vs Fortitude
Where RAL 180-1 belongs to RAL Effect's range, Fortitude is a Sherwin-Williams color. RAL 180-1 reads as blue, while Fortitude reads as grey — two distinct hue families, not close cousins. Fortitude (LRV 56) reflects noticeably more light than RAL 180-1 (LRV 49), a difference of 7 points that becomes especially apparent in rooms with limited natural light. The ΔE 10.0 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 180-1 vs Fortitude in Real Spaces
1 real room side by side. RAL 180-1 and Fortitude 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 180-1 vs Fortitude Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 180-1 on one side and Fortitude 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.










































