#81AC34#81AC34

#81AC34 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 69.0% C 0.154 H 127.2°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#81AC34
RGB	rgb(129, 172, 52)
HSL	hsl(82, 54%, 44%)
HSV	hsv(82, 70%, 67%)
CMYK	cmyk(25%, 0%, 69.8%, 32.5%)
CIE-LAB	lab(65.29, -32.52, 54.34)
CIE-LCH	lch(65.29, 63.32, 120.90°)
OKLab	oklab(68.98% -0.093 0.1226)
OKLCH	oklch(68.98% 0.154 127.2)
XYZ	xyz(24.4257, 34.4197, 8.6049)
Luminance	0.3442 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AC34 #5F34AC

analogous

#AC9B34 #81AC34 #45AC34

triadic

#81AC34 #3481AC #AC3481

tetradic

#81AC34 #34AC9B #5F34AC #AC3445

square

#81AC34 #34AC9B #5F34AC #AC3445

split-complementary

#81AC34 #3445AC #9B34AC

monochromatic

#3B4E18 #5E7D26 #81AC34 #A0CB52 #BAD981

Accessibility & contrast

On white

2.66

#81AC34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#81AC34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AC34

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AC34	#FFFFFF	#000000	##000000
##81AC34	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)

#B5A021

Deuteranopia (green-blind)

#AF9E3E

Tritanopia (blue-blind)

#86A494

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #81ac34;
/* rgb */ color: rgb(129, 172, 52);
/* oklch */ color: oklch(69.0% 0.154 127.2);

Tailwind

colors: {
  custom: {
    50: '#a9c573',
    500: '#81ac34',
    950: '#000000',
  },
}

SCSS

$custom: #81ac34;
$custom-light: #a9c573;
$custom-dark: #000000;

JSON

{
  "hex": "#81ac34",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 52
  },
  "hsl": {
    "h": 81.5,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.68976,
    "c": 0.15392,
    "h": 127.2
  },
  "luminance": 0.3442
}

Semantic roles & 50–950 ramp

primary

#81AC34

secondary

#9479C2

accent

#4BDD7F

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101208

muted

#7F817B

Preview Lab

Preview with #81AC34

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

Preview Lab → · Contrast checker → · Palette generator →