#81AE40#81AE40

#81AE40 is a light, vivid yellow-green. Relative luminance 0.353; OKLCH L 69.6% C 0.148 H 128.6°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#81AE40
RGB	rgb(129, 174, 64)
HSL	hsl(85, 46%, 47%)
HSV	hsv(85, 63%, 68%)
CMYK	cmyk(25.9%, 0%, 63.2%, 31.8%)
CIE-LAB	lab(65.99, -32.55, 50.11)
CIE-LCH	lch(65.99, 59.75, 123.01°)
OKLab	oklab(69.57% -0.0921 0.1153)
OKLCH	oklch(69.57% 0.148 128.6)
XYZ	xyz(25.1146, 35.3088, 10.3416)
Luminance	0.3531 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AE40 #6D40AE

analogous

#AEA440 #81AE40 #4AAE40

triadic

#81AE40 #4081AE #AE4081

tetradic

#81AE40 #40AEA4 #6D40AE #AE404A

square

#81AE40 #40AEA4 #6D40AE #AE404A

split-complementary

#81AE40 #404AAE #A440AE

monochromatic

#3F551F #608130 #81AE40 #9EC665 #BAD792

Accessibility & contrast

On white

2.60

#81AE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#81AE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AE40

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AE40	#FFFFFF	#000000	##000000
##81AE40	1.00	2.60	8.06	8.06
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A233

Deuteranopia (green-blind)

#B09F48

Tritanopia (blue-blind)

#85A797

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #81ae40;
/* rgb */ color: rgb(129, 174, 64);
/* oklch */ color: oklch(69.6% 0.148 128.6);

Tailwind

colors: {
  custom: {
    50: '#a9c67a',
    500: '#81ae40',
    950: '#000000',
  },
}

SCSS

$custom: #81ae40;
$custom-light: #a9c67a;
$custom-dark: #000000;

JSON

{
  "hex": "#81ae40",
  "rgb": {
    "r": 129,
    "g": 174,
    "b": 64
  },
  "hsl": {
    "h": 84.545,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.6957,
    "c": 0.14759,
    "h": 128.6
  },
  "luminance": 0.35309
}

Semantic roles & 50–950 ramp

primary

#81AE40

secondary

#A088C2

accent

#52D688

background

#FAFCF7

surface

#F4F8EE

border

#CED1C9

text

#101309

muted

#7F827B

Preview Lab

Preview with #81AE40

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

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