#81AC3D#81AC3D

#81AC3D is a light, vivid yellow-green. Relative luminance 0.345; OKLCH L 69.1% C 0.147 H 127.9°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#81AC3D
RGB	rgb(129, 172, 61)
HSL	hsl(83, 48%, 46%)
HSV	hsv(83, 65%, 67%)
CMYK	cmyk(25%, 0%, 64.5%, 32.5%)
CIE-LAB	lab(65.36, -31.86, 50.73)
CIE-LCH	lch(65.36, 59.90, 122.13°)
OKLab	oklab(69.06% -0.0904 0.1163)
OKLCH	oklch(69.06% 0.147 127.9)
XYZ	xyz(24.6480, 34.5086, 9.7762)
Luminance	0.3451 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AC3D #683DAC

analogous

#AC9F3D #81AC3D #4AAC3D

triadic

#81AC3D #3D81AC #AC3D81

tetradic

#81AC3D #3DAC9F #683DAC #AC3D4A

square

#81AC3D #3DAC9F #683DAC #AC3D4A

split-complementary

#81AC3D #3D4AAC #9F3DAC

monochromatic

#3D521D #5F7F2D #81AC3D #9FC760 #BAD78D

Accessibility & contrast

On white

2.66

#81AC3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#81AC3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AC3D

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AC3D	#FFFFFF	#000000	##000000
##81AC3D	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A12F

Deuteranopia (green-blind)

#AE9E45

Tritanopia (blue-blind)

#85A495

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #81ac3d;
/* rgb */ color: rgb(129, 172, 61);
/* oklch */ color: oklch(69.1% 0.147 127.9);

Tailwind

colors: {
  custom: {
    50: '#a9c578',
    500: '#81ac3d',
    950: '#000000',
  },
}

SCSS

$custom: #81ac3d;
$custom-light: #a9c578;
$custom-dark: #000000;

JSON

{
  "hex": "#81ac3d",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 61
  },
  "hsl": {
    "h": 83.243,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.69055,
    "c": 0.1473,
    "h": 127.9
  },
  "luminance": 0.34509
}

Semantic roles & 50–950 ramp

primary

#81AC3D

secondary

#9B84C1

accent

#51D785

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101209

muted

#7F817B

Preview Lab

Preview with #81AC3D

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

Preview Lab → · Contrast checker → · Palette generator →