#81CC33#81CC33

#81CC33 is a light, vivid yellow-green. Relative luminance 0.481; OKLCH L 76.8% C 0.194 H 132.6°. Best body text is #000000 at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#81CC33
RGB	rgb(129, 204, 51)
HSL	hsl(89, 60%, 50%)
HSV	hsv(89, 75%, 80%)
CMYK	cmyk(36.8%, 0%, 75%, 20%)
CIE-LAB	lab(74.88, -46.66, 64.21)
CIE-LCH	lch(74.88, 79.37, 126.01°)
OKLab	oklab(76.78% -0.1316 0.1431)
OKLCH	oklch(76.78% 0.194 132.6)
XYZ	xyz(31.2433, 48.0905, 10.7675)
Luminance	0.4809 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CC33 #7E33CC

analogous

#CCCB33 #81CC33 #34CC33

triadic

#81CC33 #3381CC #CC3381

tetradic

#81CC33 #33CCCB #7E33CC #CC3334

square

#81CC33 #33CCCB #7E33CC #CC3334

split-complementary

#81CC33 #3334CC #CB33CC

monochromatic

#436A1B #629B27 #81CC33 #9FD864 #BDE495

Accessibility & contrast

On white

1.98

#81CC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.62

#81CC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC33

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CC33	#FFFFFF	#000000	##000000
##81CC33	1.00	1.98	10.62	10.62
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.62	21.00	1.00	1.00
##000000	10.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC0F

Deuteranopia (green-blind)

#CAB643

Tritanopia (blue-blind)

#82C4AF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cc33;
/* rgb */ color: rgb(129, 204, 51);
/* oklch */ color: oklch(76.8% 0.194 132.6);

Tailwind

colors: {
  custom: {
    50: '#abdc76',
    500: '#81cc33',
    950: '#000000',
  },
}

SCSS

$custom: #81cc33;
$custom-light: #abdc76;
$custom-dark: #000000;

JSON

{
  "hex": "#81cc33",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 51
  },
  "hsl": {
    "h": 89.412,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.76781,
    "c": 0.19445,
    "h": 132.6
  },
  "luminance": 0.48092
}

Semantic roles & 50–950 ramp

primary

#81CC33

secondary

#AD8BD0

accent

#45E392

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#111509

muted

#80837B

Preview Lab

Preview with #81CC33

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

Preview Lab → · Contrast checker → · Palette generator →