#81D339#81D339

#81D339 is a light, vivid yellow-green. Relative luminance 0.516; OKLCH L 78.5% C 0.200 H 133.8°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#81D339
RGB	rgb(129, 211, 57)
HSL	hsl(92, 64%, 53%)
HSV	hsv(92, 73%, 83%)
CMYK	cmyk(38.9%, 0%, 73%, 17.3%)
CIE-LAB	lab(77.01, -49.18, 64.27)
CIE-LCH	lch(77.01, 80.93, 127.43°)
OKLab	oklab(78.53% -0.138 0.1441)
OKLCH	oklch(78.53% 0.2 133.8)
XYZ	xyz(33.0855, 51.5495, 12.0769)
Luminance	0.5155 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D339 #8B39D3

analogous

#CED339 #81D339 #39D33E

triadic

#81D339 #3981D3 #D33981

tetradic

#81D339 #39CED3 #8B39D3 #D33E39

square

#81D339 #39CED3 #8B39D3 #D33E39

split-complementary

#81D339 #3E39D3 #D339CE

monochromatic

#46771A #63A926 #81D339 #A1DE6B #C1E99D

Accessibility & contrast

On white

1.86

#81D339 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#81D339 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D339

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D339	#FFFFFF	#000000	##000000
##81D339	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC21B

Deuteranopia (green-blind)

#D0BC48

Tritanopia (blue-blind)

#81CBB5

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #81d339;
/* rgb */ color: rgb(129, 211, 57);
/* oklch */ color: oklch(78.5% 0.200 133.8);

Tailwind

colors: {
  custom: {
    50: '#ace179',
    500: '#81d339',
    950: '#000000',
  },
}

SCSS

$custom: #81d339;
$custom-light: #ace179;
$custom-dark: #000000;

JSON

{
  "hex": "#81d339",
  "rgb": {
    "r": 129,
    "g": 211,
    "b": 57
  },
  "hsl": {
    "h": 91.948,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.78532,
    "c": 0.19956,
    "h": 133.8
  },
  "luminance": 0.51551
}

Semantic roles & 50–950 ramp

primary

#81D339

secondary

#5B317F

accent

#41E799

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D339

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

Preview Lab → · Contrast checker → · Palette generator →