Heartthrob vs Mountain Stream
Both are Sherwin-Williams colors. Hue-wise, Heartthrob belongs to the pink-red family and Mountain Stream to the blue family. At LRV 25 vs 11, Mountain Stream will read as the brighter of the two — a 15-point gap that matters most in north-facing or low-light rooms. The tonal difference — Heartthrob's warm character against Mountain Stream's cool — becomes most visible against white trim or in morning light. At ΔE 73.8, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Heartthrob vs Mountain Stream Simulated Comparison
5 simulated room previews — drag the slider on each to see Heartthrob on one side and Mountain Stream 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 Heartthrob comparisons
See how Heartthrob stacks up against other well-photographed colors across different brands and tones.








































