Opera Glass vs Undercool

Opera Glass and Undercool come from the same Sherwin-Williams collection. Opera Glass reads as green, while Undercool reads as blue — two distinct hue families, not close cousins. The 37-point LRV gap — 86 for Opera Glass vs 49 for Undercool — means Opera Glass will open up a space more effectively. Both share a cool character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 31.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.