Blue Shamrock vs Rainwashed
Where Blue Shamrock belongs to PPG's range, Rainwashed is a Sherwin-Williams color. Blue Shamrock reads as blue-green, while Rainwashed reads as green-grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (57 vs 59), so they'll read as similarly Light in most lighting conditions. At ΔE 2.5, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Blue Shamrock vs Rainwashed Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Shamrock on one side and Rainwashed 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 Blue Shamrock comparisons
See how Blue Shamrock stacks up against other well-photographed colors across different brands and tones.







































