#66cbbf

Downy

Closest match (98% match)

Color formats

RGB

rgb(102, 203, 191)

Red, Green, Blue components

HSL

hsl(173, 49%, 60%)

Hue, Saturation, Lightness

CMYK

cmyk(50, 0, 6, 20)

Print color encoding

Luminance

0.493

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#66cbbf

#cb6672

Analogous (Adjacent)

#66cb8d

#66cbbf

#66a4cb

Triadic

#66cbbf

#bf66cb

#cbbf66

Split complementary

#66cbbf

#cb66a4

#cb8d66

Complete conversion table

HEX

#66CBBF

RGB

rgb(102,203,191)

RGBA

rgba(102,203,191, 1)

HSL

hsl(172.87,49.27%,59.8%)

OKLCH (Modern CSS)

oklch(0.78 0.10 185.2)

CSS Variable

--color: #66cbbf;

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

1.93

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

10.86

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#66cbbf#c6c6bf

ORIG

SIM

Deuteranopia (green)

#66cbbf#8681bf

ORIG

SIM

Tritanopia (blue)

#66cbbf#6b8b9c

ORIG

SIM

Monochrome (color blind)

#66cbbf#bababa

Mixing guide

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

MIXING PALETTE

48%

33%

19%

RYB PIGMENTS

Ultramarine blue

Pigment

48%

Titanium white

Pigment

33%

Cadmium yellow

Pigment

19%

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

Cyan hue

485–500 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

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

Cool

Neutral

Warm

Luminance (brightness)

49.3%

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.

Hidden Sea Glass

#6FD1C9

Peppy Peacock

#55CCBB

Cockatoo

#58C8B6

Jolly Jade

#77CCBB

Contessa

#CB6672

Danube

#66A4CB

Emerald

#66CB8D

Amethyst

#BF66CB

Laser

#CBBF66

Hopbush

#CB66A4

Anakiwa

#A4FFFC

Elm

#219086