Steel Symphony 3 vs Thimble Case

Both from Dulux's palette. Hue-wise, Steel Symphony 3 belongs to the blue-grey family and Thimble Case to the greige-grey family. Thimble Case (LRV 68) reflects noticeably more light than Steel Symphony 3 (LRV 35), a difference of 33 points that becomes especially apparent in rooms with limited natural light. Steel Symphony 3 runs cool while Thimble Case is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.1, 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.