#81CE31#81CE31

#81CE31 is a light, vivid yellow-green. Relative luminance 0.490; OKLCH L 77.3% C 0.198 H 132.7°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX#81CE31
RGBrgb(129, 206, 49)
HSLhsl(89, 62%, 50%)
HSVhsv(89, 76%, 81%)
CMYKcmyk(37.4%, 0%, 76.2%, 19.2%)
CIE-LABlab(75.47, -47.60, 65.41)
CIE-LCHlch(75.47, 80.90, 126.04°)
OKLaboklab(77.26% -0.1343 0.1454)
OKLCHoklch(77.26% 0.198 132.7)
XYZxyz(31.6785, 49.0301, 10.6997)
Luminance0.4903 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81CE31 #7E31CE
analogous
#CECD31 #81CE31 #32CE31
triadic
#81CE31 #3181CE #CE3181
tetradic
#81CE31 #31CECD #7E31CE #CE3132
square
#81CE31 #31CECD #7E31CE #CE3132
split-complementary
#81CE31 #3132CE #CD31CE
monochromatic
#436B19 #629D25 #81CE31 #9FDA62 #BDE694

Accessibility & contrast

On white

1.94
#81CE31 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.81
#81CE31 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CE31
10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81CE31#FFFFFF#000000##000000
##81CE311.001.9410.8110.81
#FFFFFF1.941.0021.0021.00
#00000010.8121.001.001.00
##00000010.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7BE06
Deuteranopia (green-blind)
#CCB841
Tritanopia (blue-blind)
#82C6B1
Achromatopsia (no color)
#BABABA

Design tokens & code

CSS
--color: #81ce31;
/* rgb */ color: rgb(129, 206, 49);
/* oklch */ color: oklch(77.3% 0.198 132.7);
Tailwind
colors: {
  custom: {
    50: '#acdd75',
    500: '#81ce31',
    950: '#000000',
  },
}
SCSS
$custom: #81ce31;
$custom-light: #acdd75;
$custom-dark: #000000;
JSON
{
  "hex": "#81ce31",
  "rgb": {
    "r": 129,
    "g": 206,
    "b": 49
  },
  "hsl": {
    "h": 89.427,
    "s": 61.569,
    "l": 50
  },
  "oklch": {
    "l": 0.77258,
    "c": 0.1979,
    "h": 132.7
  },
  "luminance": 0.49031
}

Semantic roles & 50–950 ramp

primary
#81CE31
secondary
#AD8AD1
accent
#43E592
background
#FBFDF7
surface
#F6FBED
border
#D0D4C8
text
#111509
muted
#80837B

Preview Lab

Preview with #81CE31

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

Preview Lab → · Contrast checker → · Palette generator →

#81CE31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva