#128f89

Blue Chill

Closest match (94% match)

Color formats

RGB

rgb(18, 143, 137)

Red, Green, Blue components

HSL

hsl(177, 78%, 32%)

Hue, Saturation, Lightness

CMYK

cmyk(87, 0, 4, 44)

Print color encoding

Luminance

0.216

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#128f89

#8f1218

Analogous (Adjacent)

#128f4b

#128f89

#12568f

Triadic

#128f89

#89128f

#8f8912

Split complementary

#128f89

#8f1256

#8f4a12

Complete conversion table

HEX

#128F89

RGB

rgb(18,143,137)

RGBA

rgba(18,143,137, 1)

HSL

hsl(177.12,77.64%,31.57%)

OKLCH (Modern CSS)

oklch(0.59 0.10 189.5)

CSS Variable

--color: #128f89;

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

3.95

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

5.32

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#128f89#8c8c89

ORIG

SIM

Deuteranopia (green)

#128f89#3e3689

ORIG

SIM

Tritanopia (blue)

#128f89#184b54

ORIG

SIM

Monochrome (color blind)

#128f89#808080

Mixing guide

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

MIXING PALETTE

43%

42%

15%

RYB PIGMENTS

Ivory black

Pigment

43%

Ultramarine blue

Pigment

42%

Cadmium yellow

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)

21.6%

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.

Dark Cyan

#008B8B

Dynasty Green

#00988E

Go Go Green

#008A7D

Java

#259797

Tamarillo

#8F1218

Tory Blue

#12568F

Salem

#128F4B

Seance

#89128F

Hacienda

#8F8912

Disco

#8F1256

Downy

#60CAC3

Sherpa Blue

#005853