Extra White vs Mountain Stream
Both are Sherwin-Williams colors. Hue-wise, Extra White belongs to the white family and Mountain Stream to the blue family. At LRV 86 vs 25, Extra White will read as the brighter of the two — a 61-point gap that matters most in north-facing or low-light rooms. The tonal difference — Extra White's neutral character against Mountain Stream's cool — becomes most visible against white trim or in morning light. At ΔE 40.0, 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
Extra White vs Mountain Stream Simulated Comparison
5 simulated room previews — drag the slider on each to see Extra White 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 Extra White comparisons
See how Extra White stacks up against other well-photographed colors across different brands and tones.
