#81CB41#81CB41

#81CB41 is a light, vivid yellow-green. Relative luminance 0.478; OKLCH L 76.6% C 0.185 H 133.4°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#81CB41
RGB	rgb(129, 203, 65)
HSL	hsl(92, 57%, 53%)
HSV	hsv(92, 68%, 80%)
CMYK	cmyk(36.5%, 0%, 68%, 20.4%)
CIE-LAB	lab(74.67, -45.32, 58.96)
CIE-LCH	lch(74.67, 74.36, 127.55°)
OKLab	oklab(76.64% -0.127 0.1341)
OKLCH	oklch(76.64% 0.185 133.4)
XYZ	xyz(31.3628, 47.7593, 12.5660)
Luminance	0.4776 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CB41 #8B41CB

analogous

#C6CB41 #81CB41 #41CB46

triadic

#81CB41 #4181CB #CB4181

tetradic

#81CB41 #41C6CB #8B41CB #CB4641

square

#81CB41 #41C6CB #8B41CB #CB4641

split-complementary

#81CB41 #4641CB #CB41C6

monochromatic

#46721F #63A22C #81CB41 #A1D871 #C1E5A1

Accessibility & contrast

On white

1.99

#81CB41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#81CB41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CB41

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CB41	#FFFFFF	#000000	##000000
##81CB41	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)

#D3BC2D

Deuteranopia (green-blind)

#C9B64D

Tritanopia (blue-blind)

#81C3AF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cb41;
/* rgb */ color: rgb(129, 203, 65);
/* oklch */ color: oklch(76.6% 0.185 133.4);

Tailwind

colors: {
  custom: {
    50: '#abdb7d',
    500: '#81cb41',
    950: '#000000',
  },
}

SCSS

$custom: #81cb41;
$custom-light: #abdb7d;
$custom-dark: #000000;

JSON

{
  "hex": "#81cb41",
  "rgb": {
    "r": 129,
    "g": 203,
    "b": 65
  },
  "hsl": {
    "h": 92.174,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.76638,
    "c": 0.18468,
    "h": 133.4
  },
  "luminance": 0.47761
}

Semantic roles & 50–950 ramp

primary

#81CB41

secondary

#B696D2

accent

#48E099

background

#FAFDF7

surface

#F5FBEE

border

#CFD4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #81CB41

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

Preview Lab → · Contrast checker → · Palette generator →