#21DE34

Accessibility

AAA

11.56:1

Vs white / black

1.82:1 · 11.56:1

Sources

Library color

Codes

Formats

HEX

#21de34

RGB

rgb(33, 222, 52)

RGBA

rgba(33, 222, 52, 1)

HSL

hsl(126, 74%, 50%)

HSLA

hsla(126, 74%, 50%, 1)

HSV

hsv(126, 85%, 87%)

LAB

lab(77.76% -73.99 65.77)

LCH

lch(77.76% 99 138.37)

OKLAB

oklab(0.7842 -0.2001 0.1475)

OKLCH

oklch(0.7842 0.2486 143.6)

XYZ

xyz(27.37, 52.81, 12.00)

CMYK

cmyk(85%, 0%, 77%, 13%)

CSS

color: #21de34;

CSS variable

--color-21de34: #21de34;

SCSS

$color-21de34: #21de34;

JavaScript

const color = "#21de34";

TypeScript

const color: string = "#21de34";

React

style={{ backgroundColor: "#21de34" }}

JSON

{ "hex": "#21de34", "rgb": { "r": 33, "g": 222, "b": 52 }, "oklch": "oklch(0.7842 0.2486 143.6)" }

Export

Developer code

css

:root {
  --#21de34-1: #21de34;
}

Design systems

Nearest official tokens

An arbitrary HEX is not an official Tailwind, Material, or Bootstrap color. Distance is CIEDE2000.

Nearest Tailwind color

green-400

Very different · ΔE 8.66 · #4ADE80

Nearest CSS named color

LimeGreen

Noticeably different · ΔE 4.08 · #32CD32

Nearest Material color

light-green-500

Very different · ΔE 10.74 · #8BC34A

Nearest Bootstrap color

success

Very different · ΔE 27.7 · #198754

OKLCH

Perceptual 50–950 scale

Generated in OKLCH from this hex. Not an official Tailwind scale unless the hex itself is a Tailwind token.

50b5ffb2 100a1ff9e 2007df47c 3004ee053 40000c500 50000a800 600008d00 700007100 800005700 900003e00 950002600

Palette

Tints & shades

Full scale from light tints through the base color into deep shades

edfcee dafadd c8f7cc b5f4bb a3f1aa 90ef9a 7eec89 6be978 59e667 46e456 34e145 21de34 1ecc30 1cb92b 19a727 169423 13811e 116f1a 0e5c16 0b4a11 08380d 052509 031304

Palette

Tints

Mixed toward white — soft backgrounds and highlights

edfcee dafadd c8f7cc b5f4bb a3f1aa 90ef9a 7eec89 6be978 59e667 46e456 34e145

Palette

Shades

Mixed toward black — depth, text, and emphasis

1ecc30 1cb92b 19a727 169423 13811e 116f1a 0e5c16 0b4a11 08380d 052509 031304

Palette

Tones

Mixed toward neutral grey — muted UI surfaces

29d63a 31ce41 39c747 41bf4d 49b754 51af5a 58a760 609f67 68986d 709073 78887a

Harmony

Complementary

Opposite on the color wheel for contrast

#21DE34Stop 1 #DE21CBStop 2

Harmony

Analogous

Neighbors that sit comfortably together

#6DDE21Stop 1 #21DE34Stop 2 #21DE92Stop 3

Harmony

Triadic

Evenly spaced triad for vibrant sets

#21DE34Stop 1 #3421DEStop 2 #DE3421Stop 3

Harmony

Split complementary

Base plus two accents beside the complement

#21DE34Stop 1 #9221DEStop 2 #DE216DStop 3

Harmony

Monochromatic

Same hue, varied lightness and saturation

#0D5915Stop 1 #179B24Stop 2 #21DE34Stop 3 #64E871Stop 4 #A6F2AEStop 5

Using this color

Where #21de34 works

#21DE34 (#21de34) sits in the light green family at about 126° hue, 74% saturation, and 50% lightness. Contrast is 1.82:1 on white and 11.56:1 on black, so near-black labels read more clearly on the swatch itself. Nearest Tailwind token: green-400 (approximation unless the hex is an official scale stop).

Sensible jobs for this swatch

primary buttons and key accents
text or icons on charcoal / dark mode

Do not use #21de34 as small body text on white — 1.82:1 misses WCAG AA (4.5:1). Pair it with a darker shade from the scale below, or check pairs in the contrast checker.

Family context: Vitality, optimism, and renewal. Friendly for outdoor and lifestyle brands. Common uses still include buttons, charts, and accents in the Light Green range — always verify the pair for this exact hex in the contrast checker.

Similar & related colors

Nearby colors from the library by perceptual distance

Spectrum #26DF3B#26DF3B Spectrum #0DDE29#0DDE29 Spectrum #13D83A#13D83A Spectrum #3FDB24#3FDB24 Spectrum #24E52A#24E52A Spectrum #4DDD46#4DDD46 Spectrum #56E240#56E240 Spectrum #4BD84E#4BD84E Spectrum #4BE21D#4BE21D Spectrum #2CD84E#2CD84E Spectrum #34D129#34D129 Spectrum #42EB4A#42EB4A