#81C427#81C427

#81C427 is a light, vivid yellow-green. Relative luminance 0.443; OKLCH L 74.8% C 0.191 H 130.9°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#81C427
RGB	rgb(129, 196, 39)
HSL	hsl(86, 67%, 46%)
HSV	hsv(86, 80%, 77%)
CMYK	cmyk(34.2%, 0%, 80.1%, 23.1%)
CIE-LAB	lab(72.42, -43.91, 65.55)
CIE-LCH	lch(72.42, 78.90, 123.82°)
OKLab	oklab(74.75% -0.125 0.1442)
OKLCH	oklch(74.75% 0.191 130.9)
XYZ	xyz(29.1592, 44.2924, 8.9320)
Luminance	0.4429 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C427 #6A27C4

analogous

#C4B827 #81C427 #32C427

triadic

#81C427 #2781C4 #C42781

tetradic

#81C427 #27C4B8 #6A27C4 #C42732

square

#81C427 #27C4B8 #6A27C4 #C42732

split-complementary

#81C427 #2732C4 #B827C4

monochromatic

#3E5E13 #5F911D #81C427 #9FDC4D #BAE680

Accessibility & contrast

On white

2.13

#81C427 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#81C427 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C427

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C427	#FFFFFF	#000000	##000000
##81C427	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB500

Deuteranopia (green-blind)

#C4B039

Tritanopia (blue-blind)

#84BBA7

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #81c427;
/* rgb */ color: rgb(129, 196, 39);
/* oklch */ color: oklch(74.8% 0.191 130.9);

Tailwind

colors: {
  custom: {
    50: '#abd66f',
    500: '#81c427',
    950: '#000000',
  },
}

SCSS

$custom: #81c427;
$custom-light: #abd66f;
$custom-dark: #000000;

JSON

{
  "hex": "#81c427",
  "rgb": {
    "r": 129,
    "g": 196,
    "b": 39
  },
  "hsl": {
    "h": 85.605,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.74754,
    "c": 0.19079,
    "h": 130.9
  },
  "luminance": 0.44293
}

Semantic roles & 50–950 ramp

primary

#81C427

secondary

#9D79CE

accent

#3EEA87

background

#FBFDF7

surface

#F6FAED

border

#D0D3C8

text

#111408

muted

#80837B

Preview Lab

Preview with #81C427

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

Preview Lab → · Contrast checker → · Palette generator →