#66b875

Fern

Closest match (98% match)

Color formats

RGB

rgb(102, 184, 117)

Red, Green, Blue components

HSL

hsl(131, 37%, 56%)

Hue, Saturation, Lightness

CMYK

cmyk(45, 0, 36, 28)

Print color encoding

Luminance

0.384

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#66b875

#b866a9

Analogous (Adjacent)

#80b866

#66b875

#66b89e

Triadic

#66b875

#7566b8

#b87566

Split complementary

#66b875

#9e66b8

#b86680

Complete conversion table

HEX

#66B875

RGB

rgb(102,184,117)

RGBA

rgba(102,184,117, 1)

HSL

hsl(130.98,36.61%,56.08%)

OKLCH (Modern CSS)

oklch(0.71 0.13 148.4)

CSS Variable

--color: #66b875;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

2.42

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

8.68

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#66b875#9b9a75

ORIG

SIM

Deuteranopia (green)

#66b875#6b6b75

ORIG

SIM

Tritanopia (blue)

#66b875#6a8291

ORIG

SIM

Monochrome (color blind)

#66b875#a7a7a7

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

40%

33%

27%

RYB PIGMENTS

Ultramarine blue

Pigment

40%

Cadmium yellow

Pigment

33%

Titanium white

Pigment

27%

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Green hue

495–570 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Neutral

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

38.4%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Frog Pond

#73B683

Turtle Warrior

#35B76D

Bud Green

#79B465

Exhilarating Green

#81C784

Tapestry

#B866A9

Silver Tree

#66B89E

Chelsea Cucumber

#80B866

Blue Violet

#7566B8

Santa Fe

#B87566

Wisteria

#9E66B8

Magic Mint

#A1F5AE

Sea Green

#2A7E40