#28bca4

Shamrock

Closest match (92% match)

Color formats

RGB

rgb(40, 188, 164)

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)

#28bca4

#bc2840

Analogous (Adjacent)

#28bc5a

#28bca4

#288abc

Triadic

#28bca4

#a428bc

#bca428

Split complementary

#28bca4

#bc288a

#bc5a28

Complete conversion table

HEX

#28BCA4

RGB

rgb(40,188,164)

RGBA

rgba(40,188,164, 1)

HSL

hsl(170.27,64.91%,44.71%)

OKLCH (Modern CSS)

oklch(0.72 0.12 178.5)

CSS Variable

--color: #28bca4;

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

8.82

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#28bca4#b1b1a4

ORIG

SIM

Deuteranopia (green)

#28bca4#554da4

ORIG

SIM

Tritanopia (blue)

#28bca4#2f6a76

ORIG

SIM

Monochrome (color blind)

#28bca4#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

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)

39.1%

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

Billiard

#00AF9F

Treasured Teal

#52C1B3

Brick Red

#BC2840

Curious Blue

#288ABC

Jungle Green

#28BC5A

Purple Heart

#A428BC

Hokey Pokey

#BCA428

Medium Red Violet

#BC288A

Aquamarine

#74FADF

Deep Sea

#00826C