#81AC36#81AC36

#81AC36 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 69.0% C 0.153 H 127.3°. Best body text is #000000 at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#81AC36
RGB	rgb(129, 172, 54)
HSL	hsl(82, 52%, 44%)
HSV	hsv(82, 69%, 67%)
CMYK	cmyk(25%, 0%, 68.6%, 32.5%)
CIE-LAB	lab(65.31, -32.38, 53.56)
CIE-LCH	lch(65.31, 62.59, 121.16°)
OKLab	oklab(68.99% -0.0925 0.1213)
OKLCH	oklch(68.99% 0.153 127.3)
XYZ	xyz(24.4717, 34.4381, 8.8472)
Luminance	0.3444 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AC36 #6136AC

analogous

#AC9C36 #81AC36 #46AC36

triadic

#81AC36 #3681AC #AC3681

tetradic

#81AC36 #36AC9C #6136AC #AC3646

square

#81AC36 #36AC9C #6136AC #AC3646

split-complementary

#81AC36 #3646AC #9C36AC

monochromatic

#3B4F19 #5E7D27 #81AC36 #9FCA55 #BAD884

Accessibility & contrast

On white

2.66

#81AC36 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.89

#81AC36 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AC36

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AC36	#FFFFFF	#000000	##000000
##81AC36	1.00	2.66	7.89	7.89
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.89	21.00	1.00	1.00
##000000	7.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A025

Deuteranopia (green-blind)

#AF9E40

Tritanopia (blue-blind)

#86A494

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #81ac36;
/* rgb */ color: rgb(129, 172, 54);
/* oklch */ color: oklch(69.0% 0.153 127.3);

Tailwind

colors: {
  custom: {
    50: '#a9c574',
    500: '#81ac36',
    950: '#000000',
  },
}

SCSS

$custom: #81ac36;
$custom-light: #a9c574;
$custom-dark: #000000;

JSON

{
  "hex": "#81ac36",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 54
  },
  "hsl": {
    "h": 81.864,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.68993,
    "c": 0.15253,
    "h": 127.3
  },
  "luminance": 0.34439
}

Semantic roles & 50–950 ramp

primary

#81AC36

secondary

#957CC2

accent

#4CDC80

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101209

muted

#7F817B

Preview Lab

Preview with #81AC36

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

Preview Lab → · Contrast checker → · Palette generator →