#28bca3

Shamrock

Closest match (92% match)

Color formats

RGB

rgb(40, 188, 163)

Red, Green, Blue components

HSL

hsl(170, 65%, 45%)

Hue, Saturation, Lightness

CMYK

cmyk(79, 0, 13, 26)

Print color encoding

Luminance

0.391

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#28bca3

#bc2841

Analogous (Adjacent)

#28bc59

#28bca3

#288bbc

Triadic

#28bca3

#a328bc

#bca328

Split complementary

#28bca3

#bc288b

#bc5928

Complete conversion table

HEX

#28BCA3

RGB

rgb(40,188,163)

RGBA

rgba(40,188,163, 1)

HSL

hsl(169.86,64.91%,44.71%)

OKLCH (Modern CSS)

oklch(0.72 0.12 177.9)

CSS Variable

--color: #28bca3;

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

2.38

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

8.81

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#28bca3#b1b1a3

ORIG

SIM

Deuteranopia (green)

#28bca3#554da3

ORIG

SIM

Tritanopia (blue)

#28bca3#2f6a76

ORIG

SIM

Monochrome (color blind)

#28bca3#a8a8a8

Mixing guide

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

MIXING PALETTE

60%

25%

15%

RYB PIGMENTS

Ultramarine blue

Pigment

60%

Cadmium yellow

Pigment

25%

Ivory black

Pigment

15%

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

Cool

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

Cool

Neutral

Warm

Luminance (brightness)

39.1%

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.

Turquoise

#06C2AC

Emerald Bliss

#4CBDAC

Hole In One

#4AAE97

Ambrosial Oceanside

#47AE9C

Brick Red

#BC2841

Curious Blue

#288BBC

Jungle Green

#28BC59

Purple Heart

#A328BC

Hokey Pokey

#BCA328

Medium Red Violet

#BC288B

Aquamarine

#74FADE

Deep Sea

#00826B