Undine vs Guilford Green

UndineBehrvsGuilford GreenBenjamin MooreΔE 23.4Distinct difference

Undine is a Behr color while Guilford Green comes from Benjamin Moore. Hue-wise, Undine belongs to the blue family and Guilford Green to the beige-green family. At LRV 57 vs 43, Guilford Green will read as the brighter of the two — a 14-point gap that matters most in north-facing or low-light rooms. The tonal difference — Undine's green and blue character against Guilford Green's yellow — becomes most visible against white trim or in morning light. At ΔE 23.4, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.

Undine vs Guilford Green in Real Spaces

6 real rooms side by side. Seeing Undine 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.

Living Room

Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Guilford Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.

UndineBehr Undine living room interior

Visualization

Guilford GreenGuilford Green living room color

@brightgirlvintage

Bedroom

Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Undine would.

UndineBehr Undine bedroom

Visualization

Guilford GreenBenjamin Moore HC-116 bedroom paint review

@marigongraphics

Kitchen

Kitchen lighting tends to be bright and directional, which sharpens contrast and makes undertone differences more apparent. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Undine would.

UndineBehr Undine kitchen painted backsplash

Visualization

Guilford GreenGuilford Green kitchen color review

@sda_paint

Bathroom

Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Undine would.

UndineBehr Undine bathroom

Visualization

Guilford GreenBenjamin Moore Guilford Green bathroom paint review

@fall_line_builders

House

At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Undine would.

UndineBehr Undine victorian house interior

Visualization

Guilford GreenBenjamin Moore HC-116 house exterior color review

@benjaminmoore

Kitchen Cabinets

On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Guilford Green will make the room feel meaningfully brighter than Undine would.

UndineBehr Undine kitchen cabinets

Visualization

Guilford GreenBenjamin Moore Guilford Green kitchen cabinets paint review

@amymaisondecor

Color Details

Undine
Behr · M450-4
Hex#89c1ba
LRV43.2
BrandBehr
NumberM450-4
UndertoneGreen and Blue
TemperatureCool
BrightnessMedium
Guilford Green
Benjamin Moore · HC-116
Hex#CBCDAE
LRV57.2
BrandBenjamin Moore
NumberHC-116
UndertoneYellow
TemperatureWarm
BrightnessMedium

Undine vs Guilford Green Simulated Comparison

5 simulated room previews — drag the slider on each to see Undine on one side and Guilford Green on the other.

Bathroom
Bedroom
House
Kitchen Cabinets
Living Room

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 Undine comparisons

See how Undine stacks up against other well-photographed colors across different brands and tones.

White Dove
Undine
White Dove
Benjamin Moore
White Dove
LRV 83

White Dove is the lighter choice

Ammonite
Undine
Ammonite
Farrow & Ball
Ammonite
LRV 69

Ammonite is the lighter choice

Iron Ore
Undine
Iron Ore
Sherwin-Williams
Iron Ore
LRV 6

Undine is the lighter choice

Purbeck Stone
Undine
Purbeck Stone
Farrow & Ball
Purbeck Stone
LRV 52

Purbeck Stone reads slightly lighter

Evergreen Fog
Undine
Evergreen Fog
Sherwin-Williams
Evergreen Fog
LRV 30

Undine reads noticeably lighter

Mizzle
Undine
Mizzle
Farrow & Ball
Mizzle
LRV 52

Mizzle reads slightly lighter

Agreeable Gray
Undine
Agreeable Gray
Sherwin-Williams
Agreeable Gray
LRV 60

Agreeable Gray reads noticeably lighter

Accessible Beige
Undine
Accessible Beige
Sherwin-Williams
Accessible Beige
LRV 58

Accessible Beige reads noticeably lighter

Denim Drift
Undine
Denim Drift
Dulux
Denim Drift
LRV 27

Undine reads noticeably lighter

French Gray
Undine
French Gray
Farrow & Ball
French Gray
LRV 43

Nearly identical in tone

Naval
Undine
Naval
Sherwin-Williams
Naval
LRV 4

Undine is the lighter choice

Tranquil Dawn
Undine
Tranquil Dawn
Dulux
Tranquil Dawn
LRV 55

Tranquil Dawn reads slightly lighter

Bancha
Undine
Bancha
Farrow & Ball
Bancha
LRV 13

Undine is the lighter choice

Hardwick White
Undine
Hardwick White
Farrow & Ball
Hardwick White
LRV 44

Nearly identical in tone

Pure White
Undine
Pure White
Sherwin-Williams
Pure White
LRV 84

Pure White is the lighter choice

Artichoke
Undine
Artichoke
Sherwin-Williams
Artichoke
LRV 21

Undine reads noticeably lighter

Balboa Mist
Undine
Balboa Mist
Benjamin Moore
Balboa Mist
LRV 66

Balboa Mist reads noticeably lighter

Shoji White
Undine
Shoji White
Sherwin-Williams
Shoji White
LRV 74

Shoji White is the lighter choice

Snowbound
Undine
Snowbound
Sherwin-Williams
Snowbound
LRV 83

Snowbound is the lighter choice

Pewter Green
Undine
Pewter Green
Sherwin-Williams
Pewter Green
LRV 12

Undine is the lighter choice

Skimming Stone
Undine
Skimming Stone
Farrow & Ball
Skimming Stone
LRV 68

Skimming Stone reads noticeably lighter

Dix Blue
Undine
Dix Blue
Farrow & Ball
Dix Blue
LRV 41

Nearly identical in tone

Calamine
Undine
Calamine
Farrow & Ball
Calamine
LRV 68

Calamine reads noticeably lighter

Treron
Undine
Treron
Farrow & Ball
Treron
LRV 25

Undine reads noticeably lighter

Vintage Vogue
Undine
Vintage Vogue
Benjamin Moore
Vintage Vogue
LRV 12

Undine is the lighter choice

Saybrook Sage
Undine
Saybrook Sage
Benjamin Moore
Saybrook Sage
LRV 45

Nearly identical in tone

Pale Green
Undine
Pale Green
RAL ClassicClassic
Pale Green
LRV 31

Undine reads slightly lighter

Pine Needle
Undine
Pine Needle
Dulux
Pine Needle
LRV 7

Undine is the lighter choice

Cement grey
Undine
Cement grey
RAL ClassicClassic
Cement grey
LRV 24

Undine reads noticeably lighter

Just Walnut
Undine
Just Walnut
Dulux
Just Walnut
LRV 72

Just Walnut is the lighter choice