#81D039#81D039

#81D039 is a light, vivid yellow-green. Relative luminance 0.501; OKLCH L 77.8% C 0.196 H 133.4°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#81D039
RGB	rgb(129, 208, 57)
HSL	hsl(91, 62%, 52%)
HSV	hsv(91, 73%, 82%)
CMYK	cmyk(38%, 0%, 72.6%, 18.4%)
CIE-LAB	lab(76.11, -47.95, 63.38)
CIE-LCH	lch(76.11, 79.48, 127.11°)
OKLab	oklab(77.8% -0.1347 0.1423)
OKLCH	oklch(77.8% 0.196 133.4)
XYZ	xyz(32.3471, 50.0728, 11.8307)
Luminance	0.5007 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D039 #8839D0

analogous

#CCD039 #81D039 #39D03D

triadic

#81D039 #3981D0 #D03981

tetradic

#81D039 #39CCD0 #8839D0 #D03D39

square

#81D039 #39CCD0 #8839D0 #D03D39

split-complementary

#81D039 #3D39D0 #D039CC

monochromatic

#45731B #63A527 #81D039 #A0DC6A #C0E79C

Accessibility & contrast

On white

1.91

#81D039 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#81D039 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D039

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D039	#FFFFFF	#000000	##000000
##81D039	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C01C

Deuteranopia (green-blind)

#CEB948

Tritanopia (blue-blind)

#81C8B3

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #81d039;
/* rgb */ color: rgb(129, 208, 57);
/* oklch */ color: oklch(77.8% 0.196 133.4);

Tailwind

colors: {
  custom: {
    50: '#abdf79',
    500: '#81d039',
    950: '#000000',
  },
}

SCSS

$custom: #81d039;
$custom-light: #abdf79;
$custom-dark: #000000;

JSON

{
  "hex": "#81d039",
  "rgb": {
    "r": 129,
    "g": 208,
    "b": 57
  },
  "hsl": {
    "h": 91.391,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.77799,
    "c": 0.19593,
    "h": 133.4
  },
  "luminance": 0.50074
}

Semantic roles & 50–950 ramp

primary

#81D039

secondary

#58317C

accent

#43E598

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D039

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

Preview Lab → · Contrast checker → · Palette generator →