RAL 180-2 vs Vast Sky
RAL 180-2 is a RAL Effect color while Vast Sky 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 58 vs 55, RAL 180-2 will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. At ΔE 4.8, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
RAL 180-2 vs Vast Sky in Real Spaces
1 real room side by side. RAL 180-2 and Vast Sky 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. RAL 180-2 has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
RAL 180-2 vs Vast Sky Simulated Comparison
5 simulated room previews — drag the slider on each to see RAL 180-2 on one side and Vast Sky 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 180-2 comparisons
See how RAL 180-2 stacks up against other well-photographed colors across different brands and tones.










































