#81AC33#81AC33

#81AC33 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 69.0% C 0.155 H 127.1°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#81AC33
RGB	rgb(129, 172, 51)
HSL	hsl(81, 54%, 44%)
HSV	hsv(81, 70%, 67%)
CMYK	cmyk(25%, 0%, 70.3%, 32.5%)
CIE-LAB	lab(65.29, -32.59, 54.72)
CIE-LCH	lch(65.29, 63.68, 120.78°)
OKLab	oklab(68.97% -0.0933 0.1233)
OKLCH	oklch(68.97% 0.155 127.1)
XYZ	xyz(24.4034, 34.4107, 8.4876)
Luminance	0.3441 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AC33 #5E33AC

analogous

#AC9A33 #81AC33 #44AC33

triadic

#81AC33 #3381AC #AC3381

tetradic

#81AC33 #33AC9A #5E33AC #AC3344

square

#81AC33 #33AC9A #5E33AC #AC3344

split-complementary

#81AC33 #3344AC #9A33AC

monochromatic

#3A4E17 #5E7D25 #81AC33 #A0CB51 #BAD980

Accessibility & contrast

On white

2.66

#81AC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#81AC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AC33

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AC33	#FFFFFF	#000000	##000000
##81AC33	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A020

Deuteranopia (green-blind)

#AF9E3D

Tritanopia (blue-blind)

#86A494

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #81ac33;
/* rgb */ color: rgb(129, 172, 51);
/* oklch */ color: oklch(69.0% 0.155 127.1);

Tailwind

colors: {
  custom: {
    50: '#a9c572',
    500: '#81ac33',
    950: '#000000',
  },
}

SCSS

$custom: #81ac33;
$custom-light: #a9c572;
$custom-dark: #000000;

JSON

{
  "hex": "#81ac33",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 51
  },
  "hsl": {
    "h": 81.322,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.68968,
    "c": 0.1546,
    "h": 127.1
  },
  "luminance": 0.34411
}

Semantic roles & 50–950 ramp

primary

#81AC33

secondary

#9378C2

accent

#4ADE7F

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101208

muted

#7F817B

Preview Lab

Preview with #81AC33

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

Preview Lab → · Contrast checker → · Palette generator →