#81C033#81C033

#81C033 is a light, vivid yellow-green. Relative luminance 0.426; OKLCH L 73.8% C 0.180 H 130.9°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#81C033
RGB	rgb(129, 192, 51)
HSL	hsl(87, 58%, 48%)
HSV	hsv(87, 73%, 75%)
CMYK	cmyk(32.8%, 0%, 73.4%, 24.7%)
CIE-LAB	lab(71.29, -41.57, 60.70)
CIE-LCH	lch(71.29, 73.57, 124.40°)
OKLab	oklab(73.85% -0.1178 0.1358)
OKLCH	oklch(73.85% 0.18 130.9)
XYZ	xyz(28.5002, 42.6044, 9.8532)
Luminance	0.4260 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C033 #7233C0

analogous

#C0B933 #81C033 #3AC033

triadic

#81C033 #3381C0 #C03381

tetradic

#81C033 #33C0B9 #7233C0 #C0333A

square

#81C033 #33C0B9 #7233C0 #C0333A

split-complementary

#81C033 #333AC0 #B933C0

monochromatic

#405F19 #619026 #81C033 #9ED45C #BBE18D

Accessibility & contrast

On white

2.21

#81C033 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#81C033 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C033

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C033	#FFFFFF	#000000	##000000
##81C033	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B217

Deuteranopia (green-blind)

#C0AD41

Tritanopia (blue-blind)

#84B8A5

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #81c033;
/* rgb */ color: rgb(129, 192, 51);
/* oklch */ color: oklch(73.8% 0.180 130.9);

Tailwind

colors: {
  custom: {
    50: '#aad374',
    500: '#81c033',
    950: '#000000',
  },
}

SCSS

$custom: #81c033;
$custom-light: #aad374;
$custom-dark: #000000;

JSON

{
  "hex": "#81c033",
  "rgb": {
    "r": 129,
    "g": 192,
    "b": 51
  },
  "hsl": {
    "h": 86.809,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.73845,
    "c": 0.17979,
    "h": 130.9
  },
  "luminance": 0.42605
}

Semantic roles & 50–950 ramp

primary

#81C033

secondary

#A484CB

accent

#47E18C

background

#FAFDF7

surface

#F5FAED

border

#CFD3C8

text

#101409

muted

#7F837B

Preview Lab

Preview with #81C033

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

Preview Lab → · Contrast checker → · Palette generator →