#81BB3F#81BB3F

#81BB3F is a light, vivid yellow-green. Relative luminance 0.406; OKLCH L 72.7% C 0.166 H 131.0°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX#81BB3F
RGBrgb(129, 187, 63)
HSLhsl(88, 50%, 49%)
HSVhsv(88, 66%, 73%)
CMYKcmyk(31%, 0%, 66.3%, 26.7%)
CIE-LABlab(69.87, -38.55, 54.70)
CIE-LCHlch(69.87, 66.92, 125.17°)
OKLaboklab(72.72% -0.1086 0.1249)
OKLCHoklch(72.72% 0.166 131)
XYZxyz(27.7205, 40.5658, 11.0711)
Luminance0.4057 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81BB3F #793FBB
analogous
#BBB73F #81BB3F #43BB3F
triadic
#81BB3F #3F81BB #BB3F81
tetradic
#81BB3F #3FBBB7 #793FBB #BB3F43
square
#81BB3F #3FBBB7 #793FBB #BB3F43
split-complementary
#81BB3F #3F43BB #B73FBB
monochromatic
#425F20 #618D30 #81BB3F #9FCD6A #BCDC98

Accessibility & contrast

On white

2.30
#81BB3F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.11
#81BB3F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BB3F
9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81BB3F#FFFFFF#000000##000000
##81BB3F1.002.309.119.11
#FFFFFF2.301.0021.0021.00
#0000009.1121.001.001.00
##0000009.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AE2E
Deuteranopia (green-blind)
#BBA949
Tritanopia (blue-blind)
#83B3A2
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #81bb3f;
/* rgb */ color: rgb(129, 187, 63);
/* oklch */ color: oklch(72.7% 0.166 131.0);
Tailwind
colors: {
  custom: {
    50: '#a9d07a',
    500: '#81bb3f',
    950: '#000000',
  },
}
SCSS
$custom: #81bb3f;
$custom-light: #a9d07a;
$custom-dark: #000000;
JSON
{
  "hex": "#81bb3f",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 63
  },
  "hsl": {
    "h": 88.065,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.7272,
    "c": 0.16555,
    "h": 131
  },
  "luminance": 0.40567
}

Semantic roles & 50–950 ramp

primary
#81BB3F
secondary
#A98EC8
accent
#4FD98F
background
#FAFCF7
surface
#F4F9EE
border
#CED2C9
text
#10140A
muted
#7F827C

Preview Lab

Preview with #81BB3F

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

Preview Lab → · Contrast checker → · Palette generator →

#81BB3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva