Castlegate vs Rosaline Pearl
Both from Sherwin-Williams's palette. These are both greys, so the question isn't which hue to choose — it's where within grey to land. Castlegate (LRV 37) reflects noticeably more light than Rosaline Pearl (LRV 27), a difference of 10 points that becomes especially apparent in rooms with limited natural light. Castlegate runs neutral while Rosaline Pearl is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 15.3, 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.
Castlegate vs Rosaline Pearl in Real Spaces
1 real room side by side. Seeing Castlegate and Rosaline Pearl in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Castlegate reflects noticeably more light off the walls, making the space read more open than Rosaline Pearl.
Color Details
Castlegate vs Rosaline Pearl Simulated Comparison
5 simulated room previews — drag the slider on each to see Castlegate on one side and Rosaline Pearl 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.