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.
White Dove reflects far more light (LRV 83 vs 58), opening up a space where RAL 180-2 encloses it.
A 6-point LRV gap (58 vs 52) makes RAL 180-2 the marginally brighter of the two.
At LRV 58 vs 30, RAL 180-2 is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 60 vs 58), so neither reads brighter in a room.
With LRVs of 58 and 58, the two reflect almost the same amount of light.
RAL 180-2 reflects far more light (LRV 58 vs 27), opening up a space where Denim Drift encloses it.
At LRV 58 vs 43, RAL 180-2 is decisively the brighter choice.
RAL 180-2 reads slightly lighter (LRV 58 vs 55), a gap that shows most in low-lit rooms.
RAL 180-2 reflects far more light (LRV 58 vs 44), opening up a space where Hardwick White encloses it.
At LRV 84 vs 58, Pure White is decisively the brighter choice.
Balboa Mist reads slightly lighter (LRV 66 vs 58), a gap that shows most in low-lit rooms.
Shoji White reflects far more light (LRV 74 vs 58), opening up a space where RAL 180-2 encloses it.
RAL 180-2 reflects far more light (LRV 58 vs 12), opening up a space where Pewter Green encloses it.
RAL 180-2 reflects far more light (LRV 58 vs 8), opening up a space where Duck Green encloses it.
Skimming Stone reads slightly lighter (LRV 68 vs 58), a gap that shows most in low-lit rooms.
RAL 180-2 reflects far more light (LRV 58 vs 12), opening up a space where Vintage Vogue encloses it.
RAL 180-2 reflects far more light (LRV 58 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 58 vs 31, RAL 180-2 is decisively the brighter choice.