#81CB42#81CB42

#81CB42 is a light, vivid yellow-green. Relative luminance 0.478; OKLCH L 76.6% C 0.184 H 133.5°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#81CB42
RGB	rgb(129, 203, 66)
HSL	hsl(92, 57%, 53%)
HSV	hsv(92, 67%, 80%)
CMYK	cmyk(36.5%, 0%, 67.5%, 20.4%)
CIE-LAB	lab(74.68, -45.24, 58.58)
CIE-LCH	lch(74.68, 74.01, 127.68°)
OKLab	oklab(76.65% -0.1267 0.1335)
OKLCH	oklch(76.65% 0.184 133.5)
XYZ	xyz(31.3920, 47.7710, 12.7199)
Luminance	0.4777 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CB42 #8C42CB

analogous

#C5CB42 #81CB42 #42CB48

triadic

#81CB42 #4281CB #CB4281

tetradic

#81CB42 #42C5CB #8C42CB #CB4842

square

#81CB42 #42C5CB #8C42CB #CB4842

split-complementary

#81CB42 #4842CB #CB42C5

monochromatic

#467320 #63A32D #81CB42 #A1D872 #C1E5A2

Accessibility & contrast

On white

1.99

#81CB42 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#81CB42 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CB42

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CB42	#FFFFFF	#000000	##000000
##81CB42	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2E

Deuteranopia (green-blind)

#C9B64E

Tritanopia (blue-blind)

#81C3AF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cb42;
/* rgb */ color: rgb(129, 203, 66);
/* oklch */ color: oklch(76.6% 0.184 133.5);

Tailwind

colors: {
  custom: {
    50: '#abdb7d',
    500: '#81cb42',
    950: '#000000',
  },
}

SCSS

$custom: #81cb42;
$custom-light: #abdb7d;
$custom-dark: #000000;

JSON

{
  "hex": "#81cb42",
  "rgb": {
    "r": 129,
    "g": 203,
    "b": 66
  },
  "hsl": {
    "h": 92.409,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.76647,
    "c": 0.184,
    "h": 133.5
  },
  "luminance": 0.47772
}

Semantic roles & 50–950 ramp

primary

#81CB42

secondary

#B797D2

accent

#48E09A

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #81CB42

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

Preview Lab → · Contrast checker → · Palette generator →