#81B42C#81B42C

#81B42C is a light, vivid yellow-green. Relative luminance 0.375; OKLCH L 70.9% C 0.169 H 128.4°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#81B42C
RGB	rgb(129, 180, 44)
HSL	hsl(83, 61%, 44%)
HSV	hsv(83, 76%, 71%)
CMYK	cmyk(28.3%, 0%, 75.6%, 29.4%)
CIE-LAB	lab(67.64, -36.67, 59.56)
CIE-LCH	lch(67.64, 69.94, 121.62°)
OKLab	oklab(70.87% -0.105 0.1323)
OKLCH	oklch(70.87% 0.169 128.4)
XYZ	xyz(25.8291, 37.4908, 8.2580)
Luminance	0.3749 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B42C #5F2CB4

analogous

#B4A32C #81B42C #3DB42C

triadic

#81B42C #2C81B4 #B42C81

tetradic

#81B42C #2CB4A3 #5F2CB4 #B42C3D

square

#81B42C #2CB4A3 #5F2CB4 #B42C3D

split-complementary

#81B42C #2C3DB4 #A32CB4

monochromatic

#3B5214 #5E8320 #81B42C #A0D34A #BADF7C

Accessibility & contrast

On white

2.47

#81B42C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.50

#81B42C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B42C

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B42C	#FFFFFF	#000000	##000000
##81B42C	1.00	2.47	8.50	8.50
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.50	21.00	1.00	1.00
##000000	8.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA70C

Deuteranopia (green-blind)

#B6A439

Tritanopia (blue-blind)

#85AC9A

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #81b42c;
/* rgb */ color: rgb(129, 180, 44);
/* oklch */ color: oklch(70.9% 0.169 128.4);

Tailwind

colors: {
  custom: {
    50: '#aaca6f',
    500: '#81b42c',
    950: '#000000',
  },
}

SCSS

$custom: #81b42c;
$custom-light: #aaca6f;
$custom-dark: #000000;

JSON

{
  "hex": "#81b42c",
  "rgb": {
    "r": 129,
    "g": 180,
    "b": 44
  },
  "hsl": {
    "h": 82.5,
    "s": 60.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.70868,
    "c": 0.16894,
    "h": 128.4
  },
  "luminance": 0.37491
}

Semantic roles & 50–950 ramp

primary

#81B42C

secondary

#9475C7

accent

#44E480

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101308

muted

#7F827B

Preview Lab

Preview with #81B42C

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

Preview Lab → · Contrast checker → · Palette generator →