Blue Gossamer vs Treron
Where Blue Gossamer belongs to Behr's range, Treron is a Farrow & Ball color. Blue Gossamer reads as blue, while Treron reads as greige-grey — two distinct hue families, not close cousins. Blue Gossamer (LRV 66) reflects noticeably more light than Treron (LRV 25), a difference of 42 points that becomes especially apparent in rooms with limited natural light. Blue Gossamer runs blue while Treron is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 32.3, 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 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Blue Gossamer vs Treron in Real Spaces
6 real rooms side by side. Seeing Blue Gossamer and Treron in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Blue Gossamer will make the room feel meaningfully brighter than Treron would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Blue Gossamer reflects noticeably more light off the walls, making the space read more open than Treron.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Blue Gossamer reflects noticeably more light off the walls, making the space read more open than Treron.
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. Blue Gossamer reflects noticeably more light off the walls, making the space read more open than Treron.
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. Blue Gossamer reflects noticeably more light off the walls, making the space read more open than Treron.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Blue Gossamer reflects noticeably more light off the walls, making the space read more open than Treron.
Color Details
Blue Gossamer vs Treron Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Gossamer on one side and Treron 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 Blue Gossamer comparisons
See how Blue Gossamer stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 66), opening up a space where Blue Gossamer encloses it.
Their light reflectance is nearly identical (LRV 69 vs 66), so neither reads brighter in a room.
Blue Gossamer reflects far more light (LRV 66 vs 6), opening up a space where Iron Ore encloses it.
At LRV 66 vs 52, Blue Gossamer is decisively the brighter choice.
At LRV 66 vs 30, Blue Gossamer is decisively the brighter choice.
Blue Gossamer reflects far more light (LRV 66 vs 52), opening up a space where Mizzle encloses it.
A 6-point LRV gap (66 vs 60) makes Blue Gossamer the marginally brighter of the two.
Blue Gossamer reads slightly lighter (LRV 66 vs 58), a gap that shows most in low-lit rooms.
Blue Gossamer reflects far more light (LRV 66 vs 27), opening up a space where Denim Drift encloses it.
At LRV 66 vs 43, Blue Gossamer is decisively the brighter choice.
At LRV 66 vs 4, Blue Gossamer is decisively the brighter choice.
Blue Gossamer reads slightly lighter (LRV 66 vs 55), a gap that shows most in low-lit rooms.
Blue Gossamer reflects far more light (LRV 66 vs 13), opening up a space where Bancha encloses it.
Blue Gossamer reflects far more light (LRV 66 vs 44), opening up a space where Hardwick White encloses it.
At LRV 84 vs 66, Pure White is decisively the brighter choice.
At LRV 66 vs 21, Blue Gossamer is decisively the brighter choice.
With LRVs of 66 and 66, the two reflect almost the same amount of light.
Shoji White reads slightly lighter (LRV 74 vs 66), a gap that shows most in low-lit rooms.
Snowbound reflects far more light (LRV 83 vs 66), opening up a space where Blue Gossamer encloses it.
Blue Gossamer reflects far more light (LRV 66 vs 12), opening up a space where Pewter Green encloses it.
With LRVs of 68 and 66, the two reflect almost the same amount of light.
At LRV 66 vs 41, Blue Gossamer is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 68 vs 66), so neither reads brighter in a room.
Blue Gossamer reflects far more light (LRV 66 vs 12), opening up a space where Vintage Vogue encloses it.
Blue Gossamer reflects far more light (LRV 66 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 66 vs 31, Blue Gossamer is decisively the brighter choice.
At LRV 66 vs 7, Blue Gossamer is decisively the brighter choice.
At LRV 66 vs 24, Blue Gossamer is decisively the brighter choice.
A 9-point LRV gap (66 vs 57) makes Blue Gossamer the marginally brighter of the two.
A 6-point LRV gap (72 vs 66) makes Just Walnut the marginally brighter of the two.