#81CC55#81CC55

#81CC55 is a light, vivid yellow-green. Relative luminance 0.485; OKLCH L 77.1% C 0.171 H 135.5°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX#81CC55
RGBrgb(129, 204, 85)
HSLhsl(98, 54%, 57%)
HSVhsv(98, 58%, 80%)
CMYKcmyk(36.8%, 0%, 58.3%, 20%)
CIE-LABlab(75.14, -44.00, 51.05)
CIE-LCHlch(75.14, 67.39, 130.76°)
OKLaboklab(77.08% -0.1218 0.1196)
OKLCHoklch(77.08% 0.171 135.5)
XYZxyz(32.2850, 48.5072, 16.2543)
Luminance0.4851 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81CC55 #A055CC
analogous
#BDCC55 #81CC55 #55CC65
triadic
#81CC55 #5581CC #CC5581
tetradic
#81CC55 #55BDCC #A055CC #CC6555
square
#81CC55 #55BDCC #A055CC #CC6555
split-complementary
#81CC55 #6555CC #CC55BD
monochromatic
#488026 #62AF35 #81CC55 #A4DA84 #C7E8B3

Accessibility & contrast

On white

1.96
#81CC55 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.70
#81CC55 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC55
10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81CC55#FFFFFF#000000##000000
##81CC551.001.9610.7010.70
#FFFFFF1.961.0021.0021.00
#00000010.7021.001.001.00
##00000010.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D3BD48
Deuteranopia (green-blind)
#C8B75E
Tritanopia (blue-blind)
#7FC5B2
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #81cc55;
/* rgb */ color: rgb(129, 204, 85);
/* oklch */ color: oklch(77.1% 0.171 135.5);
Tailwind
colors: {
  custom: {
    50: '#aadc89',
    500: '#81cc55',
    950: '#000000',
  },
}
SCSS
$custom: #81cc55;
$custom-light: #aadc89;
$custom-dark: #000000;
JSON
{
  "hex": "#81cc55",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 85
  },
  "hsl": {
    "h": 97.815,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.77078,
    "c": 0.17075,
    "h": 135.5
  },
  "luminance": 0.48509
}

Semantic roles & 50–950 ramp

primary
#81CC55
secondary
#C5A6D7
accent
#4BDDA7
background
#FAFDF8
surface
#F4FBF0
border
#CED4CB
text
#10150C
muted
#7F837D

Preview Lab

Preview with #81CC55

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

Preview Lab → · Contrast checker → · Palette generator →

#81CC55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva