#81BB34#81BB34

#81BB34 is a light, vivid yellow-green. Relative luminance 0.405; OKLCH L 72.6% C 0.173 H 130.2°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX#81BB34
RGBrgb(129, 187, 52)
HSLhsl(86, 56%, 47%)
HSVhsv(86, 72%, 73%)
CMYKcmyk(31%, 0%, 72.2%, 26.7%)
CIE-LABlab(69.79, -39.32, 58.87)
CIE-LCHlch(69.79, 70.79, 123.74°)
OKLaboklab(72.63% -0.1116 0.1321)
OKLCHoklch(72.63% 0.173 130.2)
XYZxyz(27.4433, 40.4548, 9.6108)
Luminance0.4046 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81BB34 #6E34BB
analogous
#BBB234 #81BB34 #3EBB34
triadic
#81BB34 #3481BB #BB3481
tetradic
#81BB34 #34BBB2 #6E34BB #BB343E
square
#81BB34 #34BBB2 #6E34BB #BB343E
split-complementary
#81BB34 #343EBB #B234BB
monochromatic
#3F5B19 #608B27 #81BB34 #9ED15B #BBDF8B

Accessibility & contrast

On white

2.31
#81BB34 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.09
#81BB34 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB34
9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81BB34#FFFFFF#000000##000000
##81BB341.002.319.099.09
#FFFFFF2.311.0021.0021.00
#0000009.0921.001.001.00
##0000009.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#C4AD1C
Deuteranopia (green-blind)
#BCA940
Tritanopia (blue-blind)
#84B3A1
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #81bb34;
/* rgb */ color: rgb(129, 187, 52);
/* oklch */ color: oklch(72.6% 0.173 130.2);
Tailwind
colors: {
  custom: {
    50: '#aad074',
    500: '#81bb34',
    950: '#000000',
  },
}
SCSS
$custom: #81bb34;
$custom-light: #aad074;
$custom-dark: #000000;
JSON
{
  "hex": "#81bb34",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 52
  },
  "hsl": {
    "h": 85.778,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.72631,
    "c": 0.17296,
    "h": 130.2
  },
  "luminance": 0.40456
}

Semantic roles & 50–950 ramp

primary
#81BB34
secondary
#A082C9
accent
#48E089
background
#FAFCF7
surface
#F4F9ED
border
#CED2C8
text
#101409
muted
#7F827B

Preview Lab

Preview with #81BB34

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

Preview Lab → · Contrast checker → · Palette generator →

#81BB34 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva