Guilford Green vs Cleanroom white
Where Guilford Green belongs to Benjamin Moore's range, Cleanroom white is a RAL Classic color. Hue-wise, Guilford Green belongs to the beige-green family and Cleanroom white to the beige-white family. Cleanroom white (LRV 89) reflects noticeably more light than Guilford Green (LRV 57), a difference of 32 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 16.2, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Guilford Green vs Cleanroom white in Real Spaces
3 real rooms side by side. Seeing Guilford Green and Cleanroom white in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Cleanroom white reflects noticeably more light off the walls, making the space read more open than Guilford Green.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Cleanroom white reflects noticeably more light off the walls, making the space read more open than Guilford Green.
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. Cleanroom white reflects noticeably more light off the walls, making the space read more open than Guilford Green.
Color Details
Guilford Green vs Cleanroom white Simulated Comparison
5 simulated room previews — drag the slider on each to see Guilford Green on one side and Cleanroom white 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.
More Guilford Green comparisons
See how Guilford Green stacks up against other well-photographed colors across different brands and tones.













































