#81D139#81D139

#81D139 is a light, vivid yellow-green. Relative luminance 0.506; OKLCH L 78.0% C 0.197 H 133.5°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#81D139
RGB	rgb(129, 209, 57)
HSL	hsl(92, 62%, 52%)
HSV	hsv(92, 73%, 82%)
CMYK	cmyk(38.3%, 0%, 72.7%, 18%)
CIE-LAB	lab(76.41, -48.37, 63.68)
CIE-LCH	lch(76.41, 79.96, 127.22°)
OKLab	oklab(78.04% -0.1358 0.1429)
OKLCH	oklch(78.04% 0.197 133.5)
XYZ	xyz(32.5917, 50.5619, 11.9123)
Luminance	0.5056 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D139 #8939D1

analogous

#CDD139 #81D139 #39D13D

triadic

#81D139 #3981D1 #D13981

tetradic

#81D139 #39CDD1 #8939D1 #D13D39

square

#81D139 #39CDD1 #8939D1 #D13D39

split-complementary

#81D139 #3D39D1 #D139CD

monochromatic

#45751B #63A627 #81D139 #A1DD6B #C0E89C

Accessibility & contrast

On white

1.89

#81D139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#81D139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D139

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D139	#FFFFFF	#000000	##000000
##81D139	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C11C

Deuteranopia (green-blind)

#CEBA48

Tritanopia (blue-blind)

#81C9B4

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #81d139;
/* rgb */ color: rgb(129, 209, 57);
/* oklch */ color: oklch(78.0% 0.197 133.5);

Tailwind

colors: {
  custom: {
    50: '#abdf79',
    500: '#81d139',
    950: '#000000',
  },
}

SCSS

$custom: #81d139;
$custom-light: #abdf79;
$custom-dark: #000000;

JSON

{
  "hex": "#81d139",
  "rgb": {
    "r": 129,
    "g": 209,
    "b": 57
  },
  "hsl": {
    "h": 91.579,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.78043,
    "c": 0.19714,
    "h": 133.5
  },
  "luminance": 0.50563
}

Semantic roles & 50–950 ramp

primary

#81D139

secondary

#59317D

accent

#42E598

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D139

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

Preview Lab → · Contrast checker → · Palette generator →