S 4010-B70G vs RAL 690-2
Where S 4010-B70G belongs to NCS's range, RAL 690-2 is a RAL Effect color. S 4010-B70G reads as blue-grey, while RAL 690-2 reads as blue — two distinct hue families, not close cousins. S 4010-B70G (LRV 28) reflects noticeably more light than RAL 690-2 (LRV 17), a difference of 11 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 27.3, 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.
S 4010-B70G vs RAL 690-2 in Real Spaces
1 real room side by side. Seeing S 4010-B70G and RAL 690-2 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 S 4010-B70G will make the room feel meaningfully brighter than RAL 690-2 would.
Color Details
S 4010-B70G vs RAL 690-2 Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4010-B70G on one side and RAL 690-2 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 S 4010-B70G comparisons
See how S 4010-B70G stacks up against other well-photographed colors across different brands and tones.









































