Argyle vs Ionian
Both from Sherwin-Williams's palette. Hue-wise, Argyle belongs to the green family and Ionian to the blue family. They have nearly identical light reflectance values (20 vs 20), so they'll read as similarly Medium in most lighting conditions. Both lean cool, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 15.5, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Argyle vs Ionian in Real Spaces
1 real room side by side. Seeing Argyle and Ionian in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Color Details
Argyle vs Ionian Simulated Comparison
5 simulated room previews — drag the slider on each to see Argyle on one side and Ionian 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.