#81D542#81D542

#81D542 is a light, vivid yellow-green. Relative luminance 0.526; OKLCH L 79.1% C 0.197 H 134.6°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX#81D542
RGBrgb(129, 213, 66)
HSLhsl(94, 64%, 55%)
HSVhsv(94, 69%, 84%)
CMYKcmyk(39.4%, 0%, 69%, 16.5%)
CIE-LABlab(77.67, -49.39, 61.68)
CIE-LCHlch(77.67, 79.02, 128.68°)
OKLaboklab(79.09% -0.1379 0.14)
OKLCHoklch(79.09% 0.197 134.6)
XYZxyz(33.8302, 52.6473, 13.5326)
Luminance0.5265 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81D542 #9642D5
analogous
#CAD542 #81D542 #42D54D
triadic
#81D542 #4281D5 #D54281
tetradic
#81D542 #42CAD5 #9642D5 #D54D42
square
#81D542 #42CAD5 #9642D5 #D54D42
split-complementary
#81D542 #4D42D5 #D542CA
monochromatic
#47801C #63B228 #81D542 #A2E074 #C4EBA6

Accessibility & contrast

On white

1.82
#81D542 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.53
#81D542 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D542
11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81D542#FFFFFF#000000##000000
##81D5421.001.8211.5311.53
#FFFFFF1.821.0021.0021.00
#00000011.5321.001.001.00
##00000011.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDC42B
Deuteranopia (green-blind)
#D1BD4F
Tritanopia (blue-blind)
#80CDB8
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #81d542;
/* rgb */ color: rgb(129, 213, 66);
/* oklch */ color: oklch(79.1% 0.197 134.6);
Tailwind
colors: {
  custom: {
    50: '#abe27e',
    500: '#81d542',
    950: '#000000',
  },
}
SCSS
$custom: #81d542;
$custom-light: #abe27e;
$custom-dark: #000000;
JSON
{
  "hex": "#81d542",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 66
  },
  "hsl": {
    "h": 94.286,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79087,
    "c": 0.19652,
    "h": 134.6
  },
  "luminance": 0.52649
}

Semantic roles & 50–950 ramp

primary
#81D542
secondary
#643487
accent
#41E7A0
background
#FDFEFB
surface
#F8FCF2
border
#D1D5CC
text
#11150A
muted
#81847D

Preview Lab

Preview with #81D542

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

Preview Lab → · Contrast checker → · Palette generator →

#81D542 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva