#81D556#81D556

#81D556 is a light, vivid yellow-green. Relative luminance 0.529; OKLCH L 79.3% C 0.182 H 136.5°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX#81D556
RGBrgb(129, 213, 86)
HSLhsl(100, 60%, 59%)
HSVhsv(100, 60%, 84%)
CMYKcmyk(39.4%, 0%, 59.6%, 16.5%)
CIE-LABlab(77.83, -47.69, 53.67)
CIE-LCHlch(77.83, 71.79, 131.62°)
OKLaboklab(79.27% -0.1319 0.1253)
OKLCHoklch(79.27% 0.182 136.5)
XYZxyz(34.5263, 52.9257, 17.1987)
Luminance0.5293 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81D556 #AA56D5
analogous
#C0D556 #81D556 #56D56A
triadic
#81D556 #5681D5 #D55681
tetradic
#81D556 #56C0D5 #AA56D5 #D56A56
square
#81D556 #56C0D5 #AA56D5 #D56A56
split-complementary
#81D556 #6A56D5 #D556C0
monochromatic
#478D23 #60BE2F #81D556 #A6E187 #CAEDB8

Accessibility & contrast

On white

1.81
#81D556 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.59
#81D556 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D556
11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81D556#FFFFFF#000000##000000
##81D5561.001.8111.5911.59
#FFFFFF1.811.0021.0021.00
#00000011.5921.001.001.00
##00000011.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCC548
Deuteranopia (green-blind)
#D0BE60
Tritanopia (blue-blind)
#7ECEBA
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #81d556;
/* rgb */ color: rgb(129, 213, 86);
/* oklch */ color: oklch(79.3% 0.182 136.5);
Tailwind
colors: {
  custom: {
    50: '#abe28a',
    500: '#81d556',
    950: '#000000',
  },
}
SCSS
$custom: #81d556;
$custom-light: #abe28a;
$custom-dark: #000000;
JSON
{
  "hex": "#81d556",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 86
  },
  "hsl": {
    "h": 99.685,
    "s": 60.19,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79275,
    "c": 0.18193,
    "h": 136.5
  },
  "luminance": 0.52928
}

Semantic roles & 50–950 ramp

primary
#81D556
secondary
#763C93
accent
#44E3AE
background
#FDFEFC
surface
#F7FCF4
border
#D0D5CE
text
#10150C
muted
#81847F

Preview Lab

Preview with #81D556

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

Preview Lab → · Contrast checker → · Palette generator →

#81D556 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva