#81AF37#81AF37

#81AF37 is a light, vivid yellow-green. Relative luminance 0.356; OKLCH L 69.7% C 0.156 H 128.1°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#81AF37
RGB	rgb(129, 175, 55)
HSL	hsl(83, 52%, 45%)
HSV	hsv(83, 69%, 69%)
CMYK	cmyk(26.3%, 0%, 68.6%, 31.4%)
CIE-LAB	lab(66.22, -33.71, 54.10)
CIE-LCH	lch(66.22, 63.74, 121.92°)
OKLab	oklab(69.73% -0.096 0.1226)
OKLCH	oklch(69.73% 0.156 128.1)
XYZ	xyz(25.0728, 35.6024, 9.1647)
Luminance	0.3560 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AF37 #6537AF

analogous

#AFA137 #81AF37 #45AF37

triadic

#81AF37 #3781AF #AF3781

tetradic

#81AF37 #37AFA1 #6537AF #AF3745

square

#81AF37 #37AFA1 #6537AF #AF3745

split-complementary

#81AF37 #3745AF #A137AF

monochromatic

#3C521A #5F8028 #81AF37 #9FCB59 #BAD987

Accessibility & contrast

On white

2.59

#81AF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#81AF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AF37

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AF37	#FFFFFF	#000000	##000000
##81AF37	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A325

Deuteranopia (green-blind)

#B1A041

Tritanopia (blue-blind)

#85A797

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #81af37;
/* rgb */ color: rgb(129, 175, 55);
/* oklch */ color: oklch(69.7% 0.156 128.1);

Tailwind

colors: {
  custom: {
    50: '#a9c775',
    500: '#81af37',
    950: '#000000',
  },
}

SCSS

$custom: #81af37;
$custom-light: #a9c775;
$custom-dark: #000000;

JSON

{
  "hex": "#81af37",
  "rgb": {
    "r": 129,
    "g": 175,
    "b": 55
  },
  "hsl": {
    "h": 83,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.6973,
    "c": 0.1557,
    "h": 128.1
  },
  "luminance": 0.35603
}

Semantic roles & 50–950 ramp

primary

#81AF37

secondary

#997FC3

accent

#4CDC83

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101309

muted

#7F827B

Preview Lab

Preview with #81AF37

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

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