Sky Blue vs RAL 660-5
Where Sky Blue belongs to Little Greene's range, RAL 660-5 is a RAL Effect color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. Sky Blue (LRV 61) reflects noticeably more light than RAL 660-5 (LRV 41), a difference of 20 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 15.7, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 660-5 in Real Spaces
1 real room side by side. Seeing Sky Blue and RAL 660-5 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Sky Blue will make the room feel meaningfully brighter than RAL 660-5 would.
Color Details
Sky Blue vs RAL 660-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Sky Blue on one side and RAL 660-5 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.
