GREENS

Katydid

#66BC91

RGB 102, 188, 145 · HSL 150°, 39%, 57% · CMYK 46, 0, 23, 26

Katydid is #66BC91 in HEX — rgb(102, 188, 145), hsl(150°, 39%, 57%), cmyk(46%, 0%, 23%, 26%).

Katydid pulls into the mid-tone end of the greens spectrum — HSL 150°, 39%, 57%. The muted saturation makes it quiet but present, and the hue reads cool. In interior projects it shines on bedrooms, bathrooms, libraries — for grounding, restorative spaces. Reads best alongside soft white walls, oak floors, brass, warm clay accents.

Color Codes

HEX#66BC91

RGB102, 188, 145

HSL150°, 39%, 57%

HSV150°, 46%, 74%

CMYK46, 0, 23, 26

Decimal6732945

CSS RGBrgb(102, 188, 145)

CSS HSLhsl(150, 39%, 57%)

Paint Matches — this color across 16 brands

Benjamin Moore

Arlington 580

ΔE 2.6 · #5BBA91

Valspar

Spearmint Burst 6003-10A

ΔE 2.9 · #67C294

Vista Paint

Blue Green Scene C-715

ΔE 3 · #59B88D

Hallman-Lindsay

Blue Green Scene 716

ΔE 3.7 · #56B78F

Behr

Lunar Tide M440-5

ΔE 4.5 · #64B188

Dulux

Peppermint Fresh S26G5

ΔE 4.5 · #64BE9B

Kobra

Green 32

ΔE 4.7 · #75C89E

PPG

Elf Shoe 1226-5

ΔE 5.7 · #68B082

Sherwin-Williams

Julep SW6746

ΔE 6.5 · #57AA80

Dunn-Edwards

Clover Mist DE5662

ΔE 8.2 · #6FC288

Kilz

Wheatgrass RG240-02

ΔE 10.4 · #81B589

Colorhouse

Thrive .05 Thrive-05

ΔE 13.8 · #83AE82

Farrow & Ball

Arsenic 214

ΔE 15.8 · #84B59C

RAL

Pale Green 6021

ΔE 17.6 · #89AC76

Dutch Boy

Green Grass VS-9552

ΔE 17.8 · #53995A

IKEA

IKEA080 80

ΔE 18.5 · #96BB9F

Light Reflectance & Undertone

Light Reflectance Value (LRV)

41/100

Medium

0 · DarkLight · 100

Balanced reflectance — holds colour without washing out. Versatile for most rooms and the most forgiving range for true-to-chip results.

Undertone

TemperatureCool MasstoneTeal UndertoneGreen

Reads as a cool teal with a green undertone showing through, especially in daylight. Pair trim and adjacent colours to either calm or amplify that undertone.

Color Theory

Complementary

#66BC91

#BC6791

Analogous

#67BC67

#66BC91

#67BCBC

Triadic

#66BC91

#9167BC

#BC9167

Split-Complementary

#66BC91

#BC67BC

#BC6767

Tetradic

#66BC91

#6767BC

#BC6791

#BCBC67

Monochromatic

#2A6045

#41956B

#66BC91

#9CD3B8

#D1EBDE

Rectangle

#66BC91

#6791BC

#BC6791

#BC9167

Compound

#66BC91

#67BCBC

#BC6791

#BC6767

Variations

Lighter

#85C9A7

#A7D3BD

#CEE3D9

Darker

#45A474

#2E7250

#1A432F

Saturation

#859E91

#67BC91

#45DE91

Interior Use

Best Rooms

bedrooms, bathrooms, libraries

Best Uses

main walls, cabinetry, soft furniture

Pairs With

soft white walls, oak floors, brass, warm clay accents

Accessibility (WCAG)

vs White

2.29:1

Fail

vs Black

9.17:1

AAA

Deuteranopia

#66BC91

#A5A194

Original → Simulated

Protanopia

#66BC91

#B1B197

Original → Simulated

Tritanopia

#66BC91

#70B5B6

Original → Simulated

Color Psychology

Calm · Restorative

Katydid sits in the part of the spectrum the eye relaxes into. Designers reach for green when a room needs to feel like a refuge — bedrooms, libraries, bathrooms — because it lowers visual blood-pressure without flattening the space.

SymbolismGrowth, balance, nature

PersonalitySteady, grounded, thoughtful

calmnaturerestorativebalancebedroomlibrary

How it looks under different light

#8CBA88

Warm Bulb 2700K

Incandescent / soft white LED — pulls colour toward yellow/amber.

#66BC91

Daylight 5500K

Midday natural light or daylight-spec LED — closest to the paint chip.

#79BFAC

Cool Bulb 6500K

Cool white LED / overcast daylight — pulls colour toward blue.

Pairs With

#E9ECEB

Trim

Matched off-white

Same hue at 92% lightness — trim reads coordinated, not stark.

#F7F8F7

Ceiling

Whisper tint

Near-white with a hint of the hero's undertone — ceiling feels intentional.

#A5537C

Accent

Complementary punch

Hue +180°, slightly muted for paint vs. screen — use on a door, frame, or single piece.

#574738

Floor

Walnut neutral

Warm mid-brown grounds the scheme regardless of hero hue.

Paint Info

Brand · Product Line

Benjamin Moore / Regal Select Interior

Recommended Finishes

Eggshell (walls) · Pearl (trim) · Matte (ceiling)

Eggshell hides imperfections on main walls while keeping the color rich; pearl on trim adds subtle sheen and easier cleaning; flat matte on ceilings prevents glare.

Best Surfaces

Primary walls · Cabinetry · Trim · Soft furniture

Coverage & Dry Time

Typical coverage 350-400 sq ft per gallon over a primed surface.

Touch-dry in ~1 hour. Recoat after 4 hours. Full cure 7-14 days.

Primer

Standard primer is adequate.

Application Tip

Use a 9" microfiber roller on walls and a 2.5" angled sash brush for trim cuts. Two coats minimum for even depth.

Paint Calculator

Wall area (m²)

Coats

Coverage (m² / L)

You'll need

4.0 litres

1.06 US gallons · room for one touch-up coat. Buy slightly more to ensure single-batch match.

Code Snippets

CSS — color

color: #66BC91;

CSS — background

background-color: #66BC91;

CSS Variable

--color-katydid: #66BC91;

Tailwind v3 — config

colors: { 'katydid': '#66BC91' }

Tailwind — arbitrary

bg-[#66BC91] text-[#66BC91]

SCSS

$katydid: #66BC91;

Similar Colors

Arlington Green

#5AB990 · ΔE 2.8

Meadowlands Green

#75C099 · ΔE 4.6

Cliffside Park

#75C8A2 · ΔE 5.7

Rosamilia Green

#66BFA0 · ΔE 6.8

Monmouth Green

#5BC2A2 · ΔE 7.2

Northern Lights

#78BE9C · ΔE 7.5

Adam Green

#53C799 · ΔE 8.2

Stokes Forest Green

#71AD87 · ΔE 9.3

Built by DSGN.HOUSE Updated 2026

Our color tools run on our own catalogue of 26,000+ real paint colors across 16 brands — Benjamin Moore, Sherwin-Williams, Behr, Dulux, RAL and more — with the color math (HSL and CIELAB matching) computed in-house, not scraped from summaries. Every color you pick maps to a real, buyable paint with its code, so what you see here you can actually take to the store. We review and update these tools and their data regularly.

Created by Denis Kataev, founder of DSGN.HOUSE — a software engineer and digital entrepreneur building professional color-design tools for everyone.

Frequently Asked Questions

What color is #66BC91?

#66BC91 is Katydid, a mid-tone green with a cool undertone.

Is #66BC91 warm or cool?

Katydid reads cool, which influences how it interacts with surrounding tones and natural light.

What rooms work best with Katydid?

Katydid works well in bedrooms, bathrooms, libraries. Designers typically use it for main walls, cabinetry, soft furniture.

What colors pair well with Katydid?

Katydid pairs naturally with soft white walls, oak floors, brass, warm clay accents. Its complementary color is also a strong contrast option for accents.

Where can I download Katydid?

You can download Katydid on DSGN.HOUSE in 15 designer formats including CSS gradient, Figma, Procreate swatches, Tailwind config, Adobe ASE, SVG, and 4K wallpapers — all free.

What's the hex code for Katydid?

The hex code is #66BC91. In RGB it's 102, 188, 145, and in HSL it's 150°, 39%, 57%.

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