#81b2af

Gulf Stream

Closest match (99% match)

Color formats

RGB

rgb(129, 178, 175)

Red, Green, Blue components

HSL

hsl(176, 24%, 60%)

Hue, Saturation, Lightness

CMYK

cmyk(28, 0, 2, 30)

Print color encoding

Luminance

0.396

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#81b2af

#b28184

Analogous (Adjacent)

#81b297

#81b2af

#819cb2

Triadic

#81b2af

#af81b2

#b2af81

Split complementary

#81b2af

#b2819c

#b29781

Complete conversion table

HEX

#81B2AF

RGB

rgb(129,178,175)

RGBA

rgba(129,178,175, 1)

HSL

hsl(176.33,24.14%,60.2%)

OKLCH (Modern CSS)

oklch(0.73 0.05 191.3)

CSS Variable

--color: #81b2af;

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

2.35

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

8.92

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#81b2af#b1b1af

ORIG

SIM

Deuteranopia (green)

#81b2af#918faf

ORIG

SIM

Tritanopia (blue)

#81b2af#838b9b

ORIG

SIM

Monochrome (color blind)

#81b2af#a9a9a9

Mixing guide

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

MIXING PALETTE

51%

36%

13%

RYB PIGMENTS

Titanium white

Pigment

51%

Ultramarine blue

Pigment

36%

Cadmium yellow

Pigment

13%

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)

39.6%

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.

Summit

#8BB6B8

Riverbed

#86BEBE

Treetop

#91B6AC

Turquoise Fantasies

#6DAFA7

Brandy Rose

#B28184

Bali Hai

#819CB2

Acapulco

#81B297

Lavender Purple

#AF81B2

Mongoose

#B2AF81

Bouquet

#B2819C

Cruise

#BCEEEB

Cutty Sark

#4A7977