S 3005-Y20R vs Intellectual Gray
Where S 3005-Y20R belongs to NCS's range, Intellectual Gray is a Sherwin-Williams color. S 3005-Y20R reads as beige-greige, while Intellectual Gray reads as greige-grey — two distinct hue families, not close cousins. S 3005-Y20R (LRV 41) reflects noticeably more light than Intellectual Gray (LRV 36), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Both lean warm, so they'll behave similarly in mixed or changing light conditions. The ΔE 4.7 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 3005-Y20R vs Intellectual Gray in Real Spaces
1 real room side by side. S 3005-Y20R and Intellectual Gray 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
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 brightness difference is modest but present — S 3005-Y20R gives the walls a little more lift.
Color Details
S 3005-Y20R vs Intellectual Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see S 3005-Y20R on one side and Intellectual Gray 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 3005-Y20R comparisons
See how S 3005-Y20R stacks up against other well-photographed colors across different brands and tones.










































