#81D433#81D433

#81D433 is a light, highly saturated yellow-green. Relative luminance 0.520; OKLCH L 78.7% C 0.204 H 133.5°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX#81D433
RGBrgb(129, 212, 51)
HSLhsl(91, 65%, 52%)
HSVhsv(91, 76%, 83%)
CMYKcmyk(39.2%, 0%, 75.9%, 16.9%)
CIE-LABlab(77.28, -49.94, 66.51)
CIE-LCHlch(77.28, 83.17, 126.90°)
OKLaboklab(78.74% -0.1405 0.148)
OKLCHoklch(78.74% 0.204 133.5)
XYZxyz(33.1937, 51.9915, 11.4177)
Luminance0.5199 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81D433 #8633D4
analogous
#D1D433 #81D433 #33D436
triadic
#81D433 #3381D4 #D43381
tetradic
#81D433 #33D1D4 #8633D4 #D43633
square
#81D433 #33D1D4 #8633D4 #D43633
split-complementary
#81D433 #3633D4 #D433D1
monochromatic
#457418 #63A723 #81D433 #A0DF66 #BFE998

Accessibility & contrast

On white

1.84
#81D433 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.40
#81D433 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D433
11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81D433#FFFFFF#000000##000000
##81D4331.001.8411.4011.40
#FFFFFF1.841.0021.0021.00
#00000011.4021.001.001.00
##00000011.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#DDC308
Deuteranopia (green-blind)
#D1BC44
Tritanopia (blue-blind)
#81CBB6
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #81d433;
/* rgb */ color: rgb(129, 212, 51);
/* oklch */ color: oklch(78.7% 0.204 133.5);
Tailwind
colors: {
  custom: {
    50: '#ace277',
    500: '#81d433',
    950: '#000000',
  },
}
SCSS
$custom: #81d433;
$custom-light: #ace277;
$custom-dark: #000000;
JSON
{
  "hex": "#81d433",
  "rgb": {
    "r": 129,
    "g": 212,
    "b": 51
  },
  "hsl": {
    "h": 90.932,
    "s": 65.182,
    "l": 51.569
  },
  "oklch": {
    "l": 0.78738,
    "c": 0.20403,
    "h": 133.5
  },
  "luminance": 0.51993
}

Semantic roles & 50–950 ramp

primary
#81D433
secondary
#572F7D
accent
#40E897
background
#FDFEFB
surface
#F8FCF1
border
#D1D5CB
text
#111509
muted
#81847D

Preview Lab

Preview with #81D433

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

Preview Lab → · Contrast checker → · Palette generator →

#81D433 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva