#81B366#81B366

#81B366 is a light, moderate yellow-green. Relative luminance 0.379; OKLCH L 71.3% C 0.119 H 135.4°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX#81B366
RGBrgb(129, 179, 102)
HSLhsl(99, 34%, 55%)
HSVhsv(99, 43%, 70%)
CMYKcmyk(27.9%, 0%, 43%, 29.8%)
CIE-LABlab(67.92, -30.75, 34.07)
CIE-LCHlch(67.92, 45.89, 132.06°)
OKLaboklab(71.28% -0.0843 0.0833)
OKLCHoklch(71.28% 0.119 135.4)
XYZxyz(27.5710, 37.8657, 18.4240)
Luminance0.3787 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81B366 #9866B3
analogous
#A7B366 #81B366 #66B372
triadic
#81B366 #6681B3 #B36681
tetradic
#81B366 #66A7B3 #9866B3 #B37266
square
#81B366 #66A7B3 #9866B3 #B37266
split-complementary
#81B366 #7266B3 #B366A7
monochromatic
#476A35 #639349 #81B366 #A3C78F #C4DCB8

Accessibility & contrast

On white

2.45
#81B366 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.57
#81B366 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B366
8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81B366#FFFFFF#000000##000000
##81B3661.002.458.578.57
#FFFFFF2.451.0021.0021.00
#0000008.5721.001.001.00
##0000008.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8A860
Deuteranopia (green-blind)
#B1A46A
Tritanopia (blue-blind)
#80AEA0
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #81b366;
/* rgb */ color: rgb(129, 179, 102);
/* oklch */ color: oklch(71.3% 0.119 135.4);
Tailwind
colors: {
  custom: {
    50: '#a7ca93',
    500: '#81b366',
    950: '#000000',
  },
}
SCSS
$custom: #81b366;
$custom-light: #a7ca93;
$custom-dark: #000000;
JSON
{
  "hex": "#81b366",
  "rgb": {
    "r": 129,
    "g": 179,
    "b": 102
  },
  "hsl": {
    "h": 98.961,
    "s": 33.624,
    "l": 55.098
  },
  "oklch": {
    "l": 0.71279,
    "c": 0.11853,
    "h": 135.4
  },
  "luminance": 0.37867
}

Semantic roles & 50–950 ramp

primary
#81B366
secondary
#BFAACB
accent
#5ECAA4
background
#FAFCF9
surface
#F4F8F1
border
#CED1CB
text
#10130D
muted
#7F827E

Preview Lab

Preview with #81B366

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

Preview Lab → · Contrast checker → · Palette generator →

#81B366 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva