Astronomical vs Guilford Green
Where Astronomical belongs to Behr's range, Guilford Green is a Benjamin Moore color. Astronomical reads as grey, while Guilford Green reads as beige-green — two distinct hue families, not close cousins. Guilford Green (LRV 57) reflects noticeably more light than Astronomical (LRV 7), a difference of 50 points that becomes especially apparent in rooms with limited natural light. Astronomical runs green while Guilford Green is decidedly yellow, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 52.4, 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.
Astronomical vs Guilford Green in Real Spaces
2 real rooms side by side. Seeing Astronomical and Guilford Green 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. Guilford Green reflects noticeably more light off the walls, making the space read more open than Astronomical.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Guilford Green reflects noticeably more light off the walls, making the space read more open than Astronomical.
Color Details
Astronomical vs Guilford Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Astronomical on one side and Guilford Green 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 Astronomical comparisons
See how Astronomical stacks up against other well-photographed colors across different brands and tones.
