#81CB3C#81CB3C

#81CB3C is a light, vivid yellow-green. Relative luminance 0.477; OKLCH L 76.6% C 0.188 H 133.1°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#81CB3C
RGB	rgb(129, 203, 60)
HSL	hsl(91, 58%, 52%)
HSV	hsv(91, 70%, 80%)
CMYK	cmyk(36.5%, 0%, 70.4%, 20.4%)
CIE-LAB	lab(74.64, -45.68, 60.82)
CIE-LCH	lch(74.64, 76.06, 126.91°)
OKLab	oklab(76.6% -0.1283 0.1374)
OKLCH	oklch(76.6% 0.188 133.1)
XYZ	xyz(31.2243, 47.7039, 11.8367)
Luminance	0.4770 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CB3C #863CCB

analogous

#C9CB3C #81CB3C #3CCB3F

triadic

#81CB3C #3C81CB #CB3C81

tetradic

#81CB3C #3CC9CB #863CCB #CB3F3C

square

#81CB3C #3CC9CB #863CCB #CB3F3C

split-complementary

#81CB3C #3F3CCB #CB3CC9

monochromatic

#456F1E #639F2A #81CB3C #A0D86C #BFE59D

Accessibility & contrast

On white

1.99

#81CB3C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#81CB3C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CB3C

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CB3C	#FFFFFF	#000000	##000000
##81CB3C	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB24

Deuteranopia (green-blind)

#C9B649

Tritanopia (blue-blind)

#82C3AF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cb3c;
/* rgb */ color: rgb(129, 203, 60);
/* oklch */ color: oklch(76.6% 0.188 133.1);

Tailwind

colors: {
  custom: {
    50: '#abdb7a',
    500: '#81cb3c',
    950: '#000000',
  },
}

SCSS

$custom: #81cb3c;
$custom-light: #abdb7a;
$custom-dark: #000000;

JSON

{
  "hex": "#81cb3c",
  "rgb": {
    "r": 129,
    "g": 203,
    "b": 60
  },
  "hsl": {
    "h": 91.049,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.76599,
    "c": 0.18796,
    "h": 133.1
  },
  "luminance": 0.47705
}

Semantic roles & 50–950 ramp

primary

#81CB3C

secondary

#B392D1

accent

#47E197

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CB3C

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

Preview Lab → · Contrast checker → · Palette generator →