#40b2ac

Keppel

Closest match (95% match)

Color formats

RGB

rgb(64, 178, 172)

Red, Green, Blue components

HSL

hsl(177, 47%, 47%)

Hue, Saturation, Lightness

CMYK

cmyk(64, 0, 3, 30)

Print color encoding

Luminance

0.359

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#40b2ac

#b24046

Analogous (Adjacent)

#40b273

#40b2ac

#407fb2

Triadic

#40b2ac

#ac40b2

#b2ac40

Split complementary

#40b2ac

#b2407f

#b27340

Complete conversion table

HEX

#40B2AC

RGB

rgb(64,178,172)

RGBA

rgba(64,178,172, 1)

HSL

hsl(176.84,47.11%,47.45%)

OKLCH (Modern CSS)

oklch(0.70 0.10 190.1)

CSS Variable

--color: #40b2ac;

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

2.57

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

8.18

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#40b2ac#afafac

ORIG

SIM

Deuteranopia (green)

#40b2ac#6760ac

ORIG

SIM

Tritanopia (blue)

#40b2ac#466f7c

ORIG

SIM

Monochrome (color blind)

#40b2ac#a2a2a2

Mixing guide

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

MIXING PALETTE

66%

24%

10%

RYB PIGMENTS

Ultramarine blue

Pigment

66%

Cadmium yellow

Pigment

24%

Ivory black

Pigment

10%

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)

35.9%

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.

Verdigris

#43B3AE

Teal Me No Lies

#0DACA7

Super Rare Jade

#14BAB4

Waterfall

#3AB0A2

Apple Blossom

#B24046

Steel Blue

#407FB2

Ocean Green

#40B273

Vivid Violet

#AC40B2

Roti

#B2AC40

Rouge

#B2407F

Spray

#82EFE8

Pine Green

#007974