#81B436#81B436

#81B436 is a light, vivid yellow-green. Relative luminance 0.376; OKLCH L 70.9% C 0.163 H 129.1°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX#81B436
RGBrgb(129, 180, 54)
HSLhsl(84, 54%, 46%)
HSVhsv(84, 70%, 71%)
CMYKcmyk(28.3%, 0%, 70%, 29.4%)
CIE-LABlab(67.71, -36.06, 56.02)
CIE-LCHlch(67.71, 66.62, 122.77°)
OKLaboklab(70.94% -0.1026 0.1264)
OKLCHoklch(70.94% 0.163 129.1)
XYZxyz(26.0403, 37.5753, 9.3701)
Luminance0.3758 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81B436 #6936B4
analogous
#B4A836 #81B436 #42B436
triadic
#81B436 #3681B4 #B43681
tetradic
#81B436 #36B4A8 #6936B4 #B43642
square
#81B436 #36B4A8 #6936B4 #B43642
split-complementary
#81B436 #3642B4 #A836B4
monochromatic
#3E561A #5F8528 #81B436 #9FCD5A #BADC89

Accessibility & contrast

On white

2.47
#81B436 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.52
#81B436 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B436
8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81B436#FFFFFF#000000##000000
##81B4361.002.478.528.52
#FFFFFF2.471.0021.0021.00
#0000008.5221.001.001.00
##0000008.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDA722
Deuteranopia (green-blind)
#B6A441
Tritanopia (blue-blind)
#85AC9B
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #81b436;
/* rgb */ color: rgb(129, 180, 54);
/* oklch */ color: oklch(70.9% 0.163 129.1);
Tailwind
colors: {
  custom: {
    50: '#a9ca75',
    500: '#81b436',
    950: '#000000',
  },
}
SCSS
$custom: #81b436;
$custom-light: #a9ca75;
$custom-dark: #000000;
JSON
{
  "hex": "#81b436",
  "rgb": {
    "r": 129,
    "g": 180,
    "b": 54
  },
  "hsl": {
    "h": 84.286,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.70939,
    "c": 0.16282,
    "h": 129.1
  },
  "luminance": 0.37576
}

Semantic roles & 50–950 ramp

primary
#81B436
secondary
#9C80C6
accent
#4BDD86
background
#FAFCF7
surface
#F4F8ED
border
#CED1C8
text
#101309
muted
#7F827B

Preview Lab

Preview with #81B436

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

Preview Lab → · Contrast checker → · Palette generator →

#81B436 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva