#81DB40#81DB40

#81DB40 is a light, highly saturated yellow-green. Relative luminance 0.557; OKLCH L 80.5% C 0.205 H 135.0°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX#81DB40
RGBrgb(129, 219, 64)
HSLhsl(95, 68%, 55%)
HSVhsv(95, 71%, 86%)
CMYKcmyk(41.1%, 0%, 70.8%, 14.1%)
CIE-LABlab(79.44, -51.95, 64.24)
CIE-LCHlch(79.44, 82.62, 128.96°)
OKLaboklab(80.54% -0.145 0.1451)
OKLCHoklch(80.54% 0.205 135)
XYZxyz(35.3094, 55.6984, 13.7399)
Luminance0.5570 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81DB40 #9A40DB
analogous
#CEDB40 #81DB40 #40DB4C
triadic
#81DB40 #4081DB #DB4081
tetradic
#81DB40 #40CEDB #9A40DB #DB4C40
square
#81DB40 #40CEDB #9A40DB #DB4C40
split-complementary
#81DB40 #4C40DB #DB40CE
monochromatic
#478719 #63BB23 #81DB40 #A3E573 #C5EEA7

Accessibility & contrast

On white

1.73
#81DB40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.14
#81DB40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DB40
12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81DB40#FFFFFF#000000##000000
##81DB401.001.7312.1412.14
#FFFFFF1.731.0021.0021.00
#00000012.1421.001.001.00
##00000012.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E3C926
Deuteranopia (green-blind)
#D7C24F
Tritanopia (blue-blind)
#7FD3BD
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #81db40;
/* rgb */ color: rgb(129, 219, 64);
/* oklch */ color: oklch(80.5% 0.205 135.0);
Tailwind
colors: {
  custom: {
    50: '#ace77e',
    500: '#81db40',
    950: '#000000',
  },
}
SCSS
$custom: #81db40;
$custom-light: #ace77e;
$custom-dark: #000000;
JSON
{
  "hex": "#81db40",
  "rgb": {
    "r": 129,
    "g": 219,
    "b": 64
  },
  "hsl": {
    "h": 94.839,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80536,
    "c": 0.20512,
    "h": 135
  },
  "luminance": 0.557
}

Semantic roles & 50–950 ramp

primary
#81DB40
secondary
#67328D
accent
#3DEBA2
background
#FDFEFB
surface
#F8FCF2
border
#D1D5CC
text
#11160A
muted
#81847D

Preview Lab

Preview with #81DB40

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

Preview Lab → · Contrast checker → · Palette generator →

#81DB40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva