#21A839#21A839

#21A839 is a light, vivid green. Relative luminance 0.286; OKLCH L 64.0% C 0.187 H 145.3°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#21A839
RGB	rgb(33, 168, 57)
HSL	hsl(131, 67%, 39%)
HSV	hsv(131, 80%, 66%)
CMYK	cmyk(80.4%, 0%, 66.1%, 34.1%)
CIE-LAB	lab(60.45, -57.12, 46.04)
CIE-LCH	lch(60.45, 73.37, 141.13°)
OKLab	oklab(64.02% -0.154 0.1068)
OKLCH	oklch(64.02% 0.187 145.3)
XYZ	xyz(15.3672, 28.6221, 8.5848)
Luminance	0.2862 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A839 #A82190

analogous

#4CA821 #21A839 #21A87D

triadic

#21A839 #3921A8 #A83921

tetradic

#21A839 #214CA8 #A82190 #A87D21

square

#21A839 #214CA8 #A82190 #A87D21

split-complementary

#21A839 #7D21A8 #A8214C

monochromatic

#0D4216 #177528 #21A839 #30D64D #63E079

Accessibility & contrast

On white

3.12

#21A839 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#21A839 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A839

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A839	#FFFFFF	#000000	##000000
##21A839	1.00	3.12	6.72	6.72
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AB982B

Deuteranopia (green-blind)

#9C8E43

Tritanopia (blue-blind)

#00A491

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #21a839;
/* rgb */ color: rgb(33, 168, 57);
/* oklch */ color: oklch(64.0% 0.187 145.3);

Tailwind

colors: {
  custom: {
    50: '#75c374',
    500: '#21a839',
    950: '#000000',
  },
}

SCSS

$custom: #21a839;
$custom-light: #75c374;
$custom-dark: #000000;

JSON

{
  "hex": "#21a839",
  "rgb": {
    "r": 33,
    "g": 168,
    "b": 57
  },
  "hsl": {
    "h": 130.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.64019,
    "c": 0.18741,
    "h": 145.3
  },
  "luminance": 0.28624
}

Semantic roles & 50–950 ramp

primary

#21A839

secondary

#C55FB3

accent

#3ECBEA

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1308

muted

#7C827B

Preview Lab

Preview with #21A839

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →