Electric Blue vs Impromptu
Where Electric Blue belongs to Benjamin Moore's range, Impromptu is a Sherwin-Williams color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. Electric Blue (LRV 28) reflects noticeably more light than Impromptu (LRV 23), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Electric Blue runs blue while Impromptu is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.6 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Electric Blue vs Impromptu Simulated Comparison
5 simulated room previews — drag the slider on each to see Electric Blue on one side and Impromptu 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 Electric Blue comparisons
See how Electric Blue stacks up against other well-photographed colors across different brands and tones.








































