Blue Shamrock vs Horseradish
Both from PPG's palette. Hue-wise, Blue Shamrock belongs to the blue-green family and Horseradish to the beige-yellow family. Horseradish (LRV 81) reflects noticeably more light than Blue Shamrock (LRV 57), a difference of 24 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 14.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. 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 Horseradish Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Shamrock on one side and Horseradish 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.