Daydream vs Perfect Periwinkle
Both from Sherwin-Williams's palette. Daydream reads as blue-grey, while Perfect Periwinkle reads as blue — two distinct hue families, not close cousins. Daydream (LRV 54) reflects noticeably more light than Perfect Periwinkle (LRV 23), a difference of 31 points that becomes especially apparent in rooms with limited natural light. Both lean cool, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 30.6, 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.
Daydream vs Perfect Periwinkle in Real Spaces
1 real room side by side. Seeing Daydream and Perfect Periwinkle in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Daydream reflects noticeably more light off the walls, making the space read more open than Perfect Periwinkle.
Color Details
Daydream vs Perfect Periwinkle Simulated Comparison
5 simulated room previews — drag the slider on each to see Daydream on one side and Perfect Periwinkle 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.