#21917a

Elm

Closest match (88% match)

Color formats

RGB

rgb(33, 145, 122)

Red, Green, Blue components

HSL

hsl(168, 63%, 35%)

Hue, Saturation, Lightness

CMYK

cmyk(77, 0, 16, 43)

Print color encoding

Luminance

0.220

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#21917a

#912138

Analogous (Adjacent)

#219142

#21917a

#217091

Triadic

#21917a

#7a2191

#917a21

Split complementary

#21917a

#912170

#914221

Complete conversion table

HEX

#21917A

RGB

rgb(33,145,122)

RGBA

rgba(33,145,122, 1)

HSL

hsl(167.68,62.92%,34.9%)

OKLCH (Modern CSS)

oklch(0.59 0.10 175.1)

CSS Variable

--color: #21917a;

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

3.89

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

5.40

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#21917a#87877a

ORIG

SIM

Deuteranopia (green)

#21917a#423c7a

ORIG

SIM

Tritanopia (blue)

#21917a#27525c

ORIG

SIM

Monochrome (color blind)

#21917a#818181

Mixing guide

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

MIXING PALETTE

41%

18%

RYB PIGMENTS

Ultramarine blue

Pigment

41%

Ivory black

Pigment

41%

Cadmium yellow

Pigment

18%

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)

22.0%

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.

Pool Table

#039578

Paolo Veronese Green

#009B7D

Go Go Green

#008A7D

Highlands

#449084

Old Brick

#912138

Jelly Bean

#217091

Forest Green

#219142

Seance

#7A2191

Hacienda

#917A21

Disco

#912170

Downy

#65CCB3

Aqua Deep

#005A46