Sky blue vs RAL 650-2
Where Sky blue belongs to RAL Classic's range, RAL 650-2 is a RAL Effect color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. Sky blue (LRV 19) reflects noticeably more light than RAL 650-2 (LRV 10), a difference of 9 points that becomes especially apparent in rooms with limited natural light. The ΔE 6.3 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.
Sky blue vs RAL 650-2 in Real Spaces
1 real room side by side. Sky blue and RAL 650-2 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.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Sky blue reflects noticeably more light off the walls, making the space read more open than RAL 650-2.
Color Details
Sky blue vs RAL 650-2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Sky blue on one side and RAL 650-2 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 Sky blue comparisons
See how Sky blue stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 19, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 19), opening up a space where Sky blue encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 19), a gap that shows most in low-lit rooms.
Agreeable Gray reflects far more light (LRV 60 vs 19), opening up a space where Sky blue encloses it.
At LRV 58 vs 19, Accessible Beige is decisively the brighter choice.
A 8-point LRV gap (27 vs 19) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 19), opening up a space where Sky blue encloses it.
At LRV 55 vs 19, Tranquil Dawn is decisively the brighter choice.
At LRV 44 vs 19, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 19), opening up a space where Sky blue encloses it.
At LRV 66 vs 19, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 19, Shoji White is decisively the brighter choice.
A 7-point LRV gap (19 vs 12) makes Sky blue the marginally brighter of the two.
A 11-point LRV gap (19 vs 8) makes Sky blue the marginally brighter of the two.
At LRV 68 vs 19, Skimming Stone is decisively the brighter choice.
A 7-point LRV gap (19 vs 12) makes Sky blue the marginally brighter of the two.
At LRV 45 vs 19, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 19), opening up a space where Sky blue encloses it.