#81CB43#81CB43

#81CB43 is a light, vivid yellow-green. Relative luminance 0.478; OKLCH L 76.7% C 0.183 H 133.6°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#81CB43
RGB	rgb(129, 203, 67)
HSL	hsl(93, 57%, 53%)
HSV	hsv(93, 67%, 80%)
CMYK	cmyk(36.5%, 0%, 67%, 20.4%)
CIE-LAB	lab(74.69, -45.17, 58.19)
CIE-LCH	lch(74.69, 73.66, 127.82°)
OKLab	oklab(76.66% -0.1264 0.1328)
OKLCH	oklch(76.66% 0.183 133.6)
XYZ	xyz(31.4218, 47.7829, 12.8765)
Luminance	0.4778 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CB43 #8D43CB

analogous

#C5CB43 #81CB43 #43CB49

triadic

#81CB43 #4381CB #CB4381

tetradic

#81CB43 #43C5CB #8D43CB #CB4943

square

#81CB43 #43C5CB #8D43CB #CB4943

split-complementary

#81CB43 #4943CB #CB43C5

monochromatic

#467420 #63A42D #81CB43 #A1D873 #C1E6A3

Accessibility & contrast

On white

1.99

#81CB43 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#81CB43 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CB43

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CB43	#FFFFFF	#000000	##000000
##81CB43	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC30

Deuteranopia (green-blind)

#C9B64F

Tritanopia (blue-blind)

#81C3AF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cb43;
/* rgb */ color: rgb(129, 203, 67);
/* oklch */ color: oklch(76.7% 0.183 133.6);

Tailwind

colors: {
  custom: {
    50: '#abdb7e',
    500: '#81cb43',
    950: '#000000',
  },
}

SCSS

$custom: #81cb43;
$custom-light: #abdb7e;
$custom-dark: #000000;

JSON

{
  "hex": "#81cb43",
  "rgb": {
    "r": 129,
    "g": 203,
    "b": 67
  },
  "hsl": {
    "h": 92.647,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.76655,
    "c": 0.1833,
    "h": 133.6
  },
  "luminance": 0.47784
}

Semantic roles & 50–950 ramp

primary

#81CB43

secondary

#B798D2

accent

#48E09B

background

#FAFDF8

surface

#F5FBEF

border

#CFD4CA

text

#10150A

muted

#7F837C

Preview Lab

Preview with #81CB43

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

Preview Lab → · Contrast checker → · Palette generator →