S 5040-B80G vs Thermal Spring
S 5040-B80G (NCS) and Thermal Spring (Sherwin-Williams) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 13-point LRV gap — 21 for Thermal Spring vs 8 for S 5040-B80G — means Thermal Spring will open up a space more effectively. Both share a cool character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 18.5 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
S 5040-B80G vs Thermal Spring Simulated Comparison
5 simulated room previews — drag the slider on each to see S 5040-B80G on one side and Thermal Spring 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 5040-B80G comparisons
See how S 5040-B80G stacks up against other well-photographed colors across different brands and tones.
