#81AA28#81AA28

#81AA28 is a light, vivid yellow-green. Relative luminance 0.336; OKLCH L 68.4% C 0.159 H 126.0°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#81AA28
RGB	rgb(129, 170, 40)
HSL	hsl(79, 62%, 41%)
HSV	hsv(79, 76%, 67%)
CMYK	cmyk(24.1%, 0%, 76.5%, 33.3%)
CIE-LAB	lab(64.62, -32.30, 58.00)
CIE-LCH	lch(64.62, 66.39, 119.11°)
OKLab	oklab(68.41% -0.0934 0.1284)
OKLCH	oklch(68.41% 0.159 126)
XYZ	xyz(23.8111, 33.5694, 7.2321)
Luminance	0.3357 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AA28 #5128AA

analogous

#AA9228 #81AA28 #40AA28

triadic

#81AA28 #2881AA #AA2881

tetradic

#81AA28 #28AA92 #5128AA #AA2840

square

#81AA28 #28AA92 #5128AA #AA2840

split-complementary

#81AA28 #2840AA #9228AA

monochromatic

#364711 #5B781C #81AA28 #A3D23E #BADD6F

Accessibility & contrast

On white

2.72

#81AA28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#81AA28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AA28

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AA28	#FFFFFF	#000000	##000000
##81AA28	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E07

Deuteranopia (green-blind)

#AE9C35

Tritanopia (blue-blind)

#87A292

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #81aa28;
/* rgb */ color: rgb(129, 170, 40);
/* oklch */ color: oklch(68.4% 0.159 126.0);

Tailwind

colors: {
  custom: {
    50: '#a9c36c',
    500: '#81aa28',
    950: '#000000',
  },
}

SCSS

$custom: #81aa28;
$custom-light: #a9c36c;
$custom-dark: #000000;

JSON

{
  "hex": "#81aa28",
  "rgb": {
    "r": 129,
    "g": 170,
    "b": 40
  },
  "hsl": {
    "h": 78.923,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.68405,
    "c": 0.15882,
    "h": 126
  },
  "luminance": 0.3357
}

Semantic roles & 50–950 ramp

primary

#81AA28

secondary

#866AC4

accent

#43E576

background

#FAFCF6

surface

#F4F8EC

border

#CED1C7

text

#101207

muted

#7F817A

Preview Lab

Preview with #81AA28

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

Preview Lab → · Contrast checker → · Palette generator →