#81AE37#81AE37

#81AE37 is a light, vivid yellow-green. Relative luminance 0.352; OKLCH L 69.5% C 0.154 H 127.9°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#81AE37
RGB	rgb(129, 174, 55)
HSL	hsl(83, 52%, 45%)
HSV	hsv(83, 68%, 68%)
CMYK	cmyk(25.9%, 0%, 68.4%, 31.8%)
CIE-LAB	lab(65.92, -33.24, 53.79)
CIE-LCH	lch(65.92, 63.23, 121.72°)
OKLab	oklab(69.49% -0.0948 0.1219)
OKLCH	oklch(69.49% 0.154 127.9)
XYZ	xyz(24.8789, 35.2145, 9.1000)
Luminance	0.3522 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AE37 #6437AE

analogous

#AE9F37 #81AE37 #46AE37

triadic

#81AE37 #3781AE #AE3781

tetradic

#81AE37 #37AE9F #6437AE #AE3746

square

#81AE37 #37AE9F #6437AE #AE3746

split-complementary

#81AE37 #3746AE #9F37AE

monochromatic

#3C511A #5F7F28 #81AE37 #9FCA58 #BAD986

Accessibility & contrast

On white

2.61

#81AE37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#81AE37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AE37

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AE37	#FFFFFF	#000000	##000000
##81AE37	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A226

Deuteranopia (green-blind)

#B09F41

Tritanopia (blue-blind)

#85A696

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #81ae37;
/* rgb */ color: rgb(129, 174, 55);
/* oklch */ color: oklch(69.5% 0.154 127.9);

Tailwind

colors: {
  custom: {
    50: '#a9c674',
    500: '#81ae37',
    950: '#000000',
  },
}

SCSS

$custom: #81ae37;
$custom-light: #a9c674;
$custom-dark: #000000;

JSON

{
  "hex": "#81ae37",
  "rgb": {
    "r": 129,
    "g": 174,
    "b": 55
  },
  "hsl": {
    "h": 82.689,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.69487,
    "c": 0.15441,
    "h": 127.9
  },
  "luminance": 0.35215
}

Semantic roles & 50–950 ramp

primary

#81AE37

secondary

#987EC3

accent

#4CDB82

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81AE37

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

Preview Lab → · Contrast checker → · Palette generator →