#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
RGB	rgb(129, 179, 102)
HSL	hsl(99, 34%, 55%)
HSV	hsv(99, 43%, 70%)
CMYK	cmyk(27.9%, 0%, 43%, 29.8%)
CIE-LAB	lab(67.92, -30.75, 34.07)
CIE-LCH	lch(67.92, 45.89, 132.06°)
OKLab	oklab(71.28% -0.0843 0.0833)
OKLCH	oklch(71.28% 0.119 135.4)
XYZ	xyz(27.5710, 37.8657, 18.4240)
Luminance	0.3787 (WCAG relative)
Temperature	warm
Family	yellow-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
##81B366	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

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 →