#81D83B#81D83B

#81D83B is a light, highly saturated yellow-green. Relative luminance 0.541; OKLCH L 79.8% C 0.204 H 134.4°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX#81D83B
RGBrgb(129, 216, 59)
HSLhsl(93, 67%, 54%)
HSVhsv(93, 73%, 85%)
CMYKcmyk(40.3%, 0%, 72.7%, 15.3%)
CIE-LABlab(78.52, -51.08, 65.07)
CIE-LCHlch(78.52, 82.73, 128.13°)
OKLaboklab(79.77% -0.143 0.1461)
OKLCHoklch(79.77% 0.204 134.4)
XYZxyz(34.3979, 54.0928, 12.7653)
Luminance0.5410 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81D83B #923BD8
analogous
#D0D83B #81D83B #3BD844
triadic
#81D83B #3B81D8 #D83B81
tetradic
#81D83B #3BD0D8 #923BD8 #D8443B
square
#81D83B #3BD0D8 #923BD8 #D8443B
split-complementary
#81D83B #443BD8 #D83BD0
monochromatic
#477F19 #63B223 #81D83B #A2E26E #C3ECA1

Accessibility & contrast

On white

1.78
#81D83B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.82
#81D83B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D83B
11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81D83B#FFFFFF#000000##000000
##81D83B1.001.7811.8211.82
#FFFFFF1.781.0021.0021.00
#00000011.8221.001.001.00
##00000011.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0C71D
Deuteranopia (green-blind)
#D4C04A
Tritanopia (blue-blind)
#80D0BA
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #81d83b;
/* rgb */ color: rgb(129, 216, 59);
/* oklch */ color: oklch(79.8% 0.204 134.4);
Tailwind
colors: {
  custom: {
    50: '#ace47b',
    500: '#81d83b',
    950: '#000000',
  },
}
SCSS
$custom: #81d83b;
$custom-light: #ace47b;
$custom-dark: #000000;
JSON
{
  "hex": "#81d83b",
  "rgb": {
    "r": 129,
    "g": 216,
    "b": 59
  },
  "hsl": {
    "h": 93.248,
    "s": 66.809,
    "l": 53.922
  },
  "oklch": {
    "l": 0.79768,
    "c": 0.20445,
    "h": 134.4
  },
  "luminance": 0.54095
}

Semantic roles & 50–950 ramp

primary
#81D83B
secondary
#603186
accent
#3EEA9D
background
#FDFEFB
surface
#F8FCF2
border
#D1D5CC
text
#11160A
muted
#81847D

Preview Lab

Preview with #81D83B

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

Preview Lab → · Contrast checker → · Palette generator →

#81D83B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva