S 1005-R50B vs Telegrey 4
Where S 1005-R50B belongs to NCS's range, Telegrey 4 is a RAL Classic color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. S 1005-R50B (LRV 70) reflects noticeably more light than Telegrey 4 (LRV 59), a difference of 11 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.
S 1005-R50B vs Telegrey 4 in Real Spaces
1 real room side by side. S 1005-R50B and Telegrey 4 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. S 1005-R50B reflects noticeably more light off the walls, making the space read more open than Telegrey 4.
Color Details
S 1005-R50B vs Telegrey 4 Simulated Comparison
5 simulated room previews — drag the slider on each to see S 1005-R50B on one side and Telegrey 4 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 1005-R50B comparisons
See how S 1005-R50B stacks up against other well-photographed colors across different brands and tones.
