Firefly vs Guilford Green
Where Firefly belongs to Behr's range, Guilford Green is a Benjamin Moore color. Firefly reads as beige-yellow, while Guilford Green reads as beige-green — two distinct hue families, not close cousins. Firefly (LRV 86) reflects noticeably more light than Guilford Green (LRV 57), a difference of 28 points that becomes especially apparent in rooms with limited natural light. Both lean yellow, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 21.0, 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.
Firefly vs Guilford Green in Real Spaces
1 real room side by side. Seeing Firefly 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.
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. Firefly reflects noticeably more light off the walls, making the space read more open than Guilford Green.
Color Details
Firefly vs Guilford Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Firefly 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 Firefly comparisons
See how Firefly stacks up against other well-photographed colors across different brands and tones.
Their light reflectance is nearly identical (LRV 86 vs 83), so neither reads brighter in a room.
Firefly reflects far more light (LRV 86 vs 52), opening up a space where Purbeck Stone encloses it.
Firefly reflects far more light (LRV 86 vs 30), opening up a space where Evergreen Fog encloses it.
Firefly reflects far more light (LRV 86 vs 60), opening up a space where Agreeable Gray encloses it.
At LRV 86 vs 58, Firefly is decisively the brighter choice.
At LRV 86 vs 27, Firefly is decisively the brighter choice.
Firefly reflects far more light (LRV 86 vs 43), opening up a space where French Gray encloses it.
At LRV 86 vs 55, Firefly is decisively the brighter choice.
At LRV 86 vs 44, Firefly is decisively the brighter choice.
With LRVs of 86 and 84, the two reflect almost the same amount of light.
At LRV 86 vs 66, Firefly is decisively the brighter choice.
A 11-point LRV gap (86 vs 74) makes Firefly the marginally brighter of the two.
At LRV 86 vs 12, Firefly is decisively the brighter choice.
At LRV 86 vs 68, Firefly is decisively the brighter choice.
At LRV 86 vs 12, Firefly is decisively the brighter choice.
At LRV 86 vs 45, Firefly is decisively the brighter choice.
Firefly reflects far more light (LRV 86 vs 31), opening up a space where Pale Green encloses it.
Firefly reflects far more light (LRV 86 vs 7), opening up a space where Pine Needle encloses it.
Firefly reflects far more light (LRV 86 vs 24), opening up a space where Cement grey encloses it.
Firefly reflects far more light (LRV 86 vs 72), opening up a space where Just Walnut encloses it.