#21bd4e

Mountain Meadow

Closest match (88% match)

Color formats

RGB

rgb(33, 189, 78)

Red, Green, Blue components

HSL

hsl(137, 70%, 44%)

Hue, Saturation, Lightness

CMYK

cmyk(83, 0, 59, 26)

Print color encoding

Luminance

0.373

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#21bd4e

#bd2190

Analogous (Adjacent)

#42bd21

#21bd4e

#21bd9c

Triadic

#21bd4e

#4e21bd

#bd4e21

Split complementary

#21bd4e

#9c21bd

#bd2142

Complete conversion table

HEX

#21BD4E

RGB

rgb(33,189,78)

RGBA

rgba(33,189,78, 1)

HSL

hsl(137.31,70.27%,43.53%)

OKLCH (Modern CSS)

oklch(0.70 0.20 147.4)

CSS Variable

--color: #21bd4e;

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

2.48

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

8.45

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#21bd4e#8c8b4e

ORIG

SIM

Deuteranopia (green)

#21bd4e#312f4e

ORIG

SIM

Tritanopia (blue)

#21bd4e#296774

ORIG

SIM

Monochrome (color blind)

#21bd4e#8cad8d

Mixing guide

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

MIXING PALETTE

47%

35%

17%

RYB PIGMENTS

Ultramarine blue

Pigment

47%

Cadmium yellow

Pigment

35%

Ivory black

Pigment

17%

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

Neutral

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

Cool

Neutral

Warm

Luminance (brightness)

37.3%

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.

Intoxicate

#11BB55

Toxic Sludge

#00BB33

Green Goblin

#11BB33

Green With Envy

#22BB33

Red Violet

#BD2190

Mountain Meadow

#21BD9C

Lima

#42BD21

Purple Heart

#4E21BD

Piper

#BD4E21

Purple Heart

#9C21BD

Screamin' Green

#70FB86

Fun Green

#008214