Copper Mountain vs Glass Bead
Both from Sherwin-Williams's palette. Copper Mountain reads as beige, while Glass Bead reads as blue-white — two distinct hue families, not close cousins. Glass Bead (LRV 77) reflects noticeably more light than Copper Mountain (LRV 17), a difference of 61 points that becomes especially apparent in rooms with limited natural light. Copper Mountain runs warm while Glass Bead is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 60.1, 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 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Copper Mountain vs Glass Bead in Real Spaces
2 real rooms side by side. Seeing Copper Mountain and Glass Bead 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. Glass Bead reflects noticeably more light off the walls, making the space read more open than Copper Mountain.
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. Glass Bead reflects noticeably more light off the walls, making the space read more open than Copper Mountain.
Color Details
Copper Mountain vs Glass Bead Simulated Comparison
5 simulated room previews — drag the slider on each to see Copper Mountain on one side and Glass Bead 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.