#81C140#81C140

#81C140 is a light, vivid yellow-green. Relative luminance 0.432; OKLCH L 74.2% C 0.173 H 132.0°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX#81C140
RGBrgb(129, 193, 64)
HSLhsl(90, 51%, 50%)
HSVhsv(90, 67%, 76%)
CMYKcmyk(33.2%, 0%, 66.8%, 24.3%)
CIE-LABlab(71.67, -41.11, 56.21)
CIE-LCHlch(71.67, 69.64, 126.18°)
OKLaboklab(74.19% -0.1156 0.1282)
OKLCHoklch(74.19% 0.173 132)
XYZxyz(29.0483, 43.1761, 11.6528)
Luminance0.4318 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81C140 #8040C1
analogous
#C1C040 #81C140 #41C140
triadic
#81C140 #4081C1 #C14081
tetradic
#81C140 #40C1C0 #8040C1 #C14041
square
#81C140 #40C1C0 #8040C1 #C14041
split-complementary
#81C140 #4041C1 #C040C1
monochromatic
#446621 #629430 #81C140 #9FD06E #BEDF9C

Accessibility & contrast

On white

2.18
#81C140 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.64
#81C140 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C140
9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81C140#FFFFFF#000000##000000
##81C1401.002.189.649.64
#FFFFFF2.181.0021.0021.00
#0000009.6421.001.001.00
##0000009.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9B32E
Deuteranopia (green-blind)
#C0AE4B
Tritanopia (blue-blind)
#83B9A7
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #81c140;
/* rgb */ color: rgb(129, 193, 64);
/* oklch */ color: oklch(74.2% 0.173 132.0);
Tailwind
colors: {
  custom: {
    50: '#aad47b',
    500: '#81c140',
    950: '#000000',
  },
}
SCSS
$custom: #81c140;
$custom-light: #aad47b;
$custom-dark: #000000;
JSON
{
  "hex": "#81c140",
  "rgb": {
    "r": 129,
    "g": 193,
    "b": 64
  },
  "hsl": {
    "h": 89.767,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.74191,
    "c": 0.17261,
    "h": 132
  },
  "luminance": 0.43177
}

Semantic roles & 50–950 ramp

primary
#81C140
secondary
#AE92CB
accent
#4DDA93
background
#FAFDF7
surface
#F4FAEE
border
#CED3C9
text
#10140A
muted
#7F837C

Preview Lab

Preview with #81C140

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

Preview Lab → · Contrast checker → · Palette generator →

#81C140 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva